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  Free Online Calculator for finance, math, algebra, trigonometry, fractions, physics, statistics, technology, time and more. Use an online calculator for free, search or suggest a new calculator that we can build. Conversions and calculators to use online for free.
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- calculators/2 pages [+381 in 18 subfolders]
- - Geometry Calculators
    Calculators for plane geometry, solid geometry and trigonometry. Geometric shapes and trigonometric functions. Formulas for common areas, volumes and surface areas.
  - Calculator Index
    Index of online calculators for finance, algebra, math, fractions, factoring, plane geometry, solid geometry, finance, time, chemistry, physics, technology and scientific notation. Online calculators and conversion calculators. Use an online calculator, search or request a calculator.
- - math/67 pages
  - - Basic Calculator
      Basic calculator with memory functions similar to a simple basic handheld calculator. Free basic calculator for simple operations like adding, subtracting, multiplying, dividing.
    - Fractions Calculators
      Fractions calculators to add, subtract, multiply, divide fractions. Simplify fractions, mixed numbers, compare and order fractions, convert fractions to decimals and percentages, solve for X in fractions equations.
    - 1000 Prime Numbers
      List of first 1000 prime numbers up to 8011. Use the primes table to find if a number is prime. Find the nth prime and look up the nth prime number.
    - Adding Fractions Calculator
      Calculator for adding and subtracting fractions with like or unlike denominators. The fraction calculator can add or subtract 2 fractions, 3 fractions and up to 9 fractions at a time, and shows the work to find common denominators, and simplify fractions to lowest terms or mixed number answers.
    - Adding and Subtracting Integers Calculator
      Add and subtract integers and see the work. Add and subtract Whole Numbers. Online calculator for adding and subtracting positive and negative integers. Solve math equations with addition and subtraction.
    - Common Factors Calculator
      Find the common factors and greatest common factor GCF of two or more positive integers. Factorization of a set of numbers and common factors (common divisors) of those numbers.
    - Comparing Fractions Calculator
      Which fraction is bigger? Use the Compare Fractions Calculator to find which fraction is larger or smaller. Compare integers, decimals, fractions and mixed numbers. For unlike denominators find the LCD to compare mixed numbers or fractions.
    - Complex Fractions Calculator
      Complex fractions have numerators and denominators that are also fractions, mixed numbers or integers. Use this calculator to add, subtract, multiply or divide complex fractions. Answers are fully reduced and simplified.
    - Decimal to Fraction Calculator
      Convert decimals to fractions or mixed number fractions. Calculator to change decimals to fractions showing the work with steps. Converts repeating decimals to fractions.
    - Decimal to Percent Calculator
      Convert decimal to percent using an online calculator. Multiply decimal number by 100 to change decimal to percent. Example conversions from decimals to percentages.
    - Diamond Problem Solver
      Math diamond problem calculator that shows the equation steps used to solve for the answer. Enter 2 integer values into the diamond and the calculator will find the other 2 missing values.
    - Equivalent Fractions Calculator
      What are equivalent fractions and how to find them. Multiply the numerator and denominator by the same whole number to create an equivalent fraction. Calculator finds 20 equivalent fractions.
    - Estimating Sums and Differences of Fractions Calculator
      Calculate estimated sum or difference of proper fractions by rounding to nearest 1/2, 1/4 or 1/8. How to round fractions to estimate answers for addition and subtraction of fractions.
    - Euclid's Algorithm Calculator
      Calculate the greatest common factor GCF of two numbers and see the work using Euclid's Algorithm. Find greatest common factor or greatest common divisor with the Euclidean Algorithm.
    - Expanded Form Calculator
      Expanded form calculator converts numbers to expanded form and word form given decimal place value. Find expanded numbers, expanded factors, exponential form and word form.
    - Factoring Calculator
      Factoring calculator to find the factors or divisors of a number. Factor calculator finds all factors and factor pairs of any positive non-zero integer. Factors calculator for factoring numbers.
    - Fraction to Decimal Calculator
      To convert fraction to decimal number divide numerator by denominator. Calculator to find decimal form of a fraction or to change fractions into decimals and show work. Fraction to decimal conversion.
    - Fraction to Percent Calculator
      To convert fraction to percent divide numerator by denominator and multiply by 100. Calculator to change fraction into percent or find percentage form of a fraction and show the work. Fraction percentage conversion.
    - Fractions Calculator
      Use this fraction calculator to add, subtract, multiply and divide fractions. Shows the work and the steps to do math with fractions. Reduces fractions to lowest terms.
    - Fractions Average Calculator
      Find the average of a set of fractions and mixed numbers. Add all of the fractions and divide by the number of fractions in the set. Enter a set of values and see the solution work to learn how to find the average of fractions.
    - Fractions Number Line Chart
      Number line chart for fraction size from halves through sixteenths. Fractions ordered in ascending value. Visual chart showing fraction proportions and relative scale.
    - Fractions Solve for Unknown X
      Calculator solves for unknown in fractions or proportions. Find the missing number in equivalent fractions and show the work. Cross multiply fractions to solve for X.
    - Fractions Table
      Table of fractions from halves through sixteenths with decimal equivalents. Fractions ordered in ascending value.
    - Golden Ratio Calculator
      Calculator for golden ratios where (A+B):A=A:B. Calculates values for golden ratio phi or golden mean. Also performs as a golden ratio generator where A/B=phi=1.6180.
    - Greatest Common Factor Calculator
      Calculate the GCF, GCD or HCF and see work with steps. Learn how to find the greatest common factor using factoring, prime factorization and the Euclidean Algorithm. The greatest common factor of two or more whole numbers is the largest whole number that divides evenly into each of the numbers.
    - Simplifying Fractions Calculator
      Convert an improper fraction to a mixed number. Calculator to simplify fractions and reduce fractions to lowest terms. Reduce and simplify fractions to simplest form.
    - Lattice Multiplication Calculator
      Lattice multiplication calculator to multiply numbers and see work in a lattice. Create and print lattice multiplication worksheets. How to do lattice multiplication.
    - LCD Calculator - Least Common Denominator
      Find the least common denominator LCD of fractions, integers and mixed numbers. Calculator finds the math LCD of fractions and creates equivalent fractions with the LCD.
    - LCM Calculator - Least Common Multiple
      Find the LCM least common multiple of 2 or more numbers. LCM Calculator shows the work to find the LCM with prime factorization, factor tree, cake/ladder/box method, division method, listing multiples, and greatest common factor GCF. Tricks to find the LCM.
    - Long Addition Calculator
      Long addition calculator with work. Do long addition and see the work for adding numbers, decimal numbers. Use long division to add multiple numbers and see the work.
    - Long Subtraction Calculator with Regrouping
      Calculator for long subtraction with regrouping or borrowing. Shows the work steps for long subtraction and finds the difference of numbers using long subtraction.
    - Long Division Calculator with Decimals
      Long division calculator with decimals shows the work step by step. Solve long division with decimal numbers. Calculate the quotient showing long division math work.
    - Long Division Calculator with Remainders
      Long division with remainders showing the work step-by-step. Calculate quotient and remainder and see the work when dividing divisor into dividend in long division. References for how to do long division.
    - Long Multiplication Calculator
      Multiplication calculator shows steps so you can see long multiplication work. Enter multiplicand and multiplier of positive or negative numbers or decimal numbers to get the product and see how to do long multiplication using the Standard Algorithm.
    - Math Calculator
      Free online math calculator to add, subtract, multiply and divide positive and negative numbers. Online decimal calculator to find sum, difference and products of numbers.
    - Math Equation Solver | Order of Operations
      Solve equations with PEMDAS order of operations showing the work. See the steps to to solve math problems with exponents and roots using order of operations.
    - Mixed Numbers Calculator
      Mixed numbers calculator to add, subtract, multiply and divide mixed numbers (mixed fractions), fractions and integers. Do math with mixed numbers and mixed fractions such as 1 1/2 or 3 5/8.
    - Mixed Number to Decimal Calculator
      Convert mixed numbers and mixed fractions to decimals numbers. Calculator to change mixed numbers and fractions into decimal numbers with work. Improper fractions converted to decimal form.
    - Mixed Number to Percent Calculator
      Convert mixed numbers and fractions to percents. Calculator to change mixed number to percentage and show the work. Converts to improper fractions then finds decimal and percent values and shows the work to arrive at the solution.
    - Mixed Number to Improper Fraction Calculator
      Calculator to convert mixed numbers to improper fractions, showing the work. Learn a three step method for changing mixed number fractions into improper fractions.
    - Modulo Calculator
      Modulo calculator finds a mod b, the remainder when a is divided by b. The modulo operation returns the remainder in division of 2 positive or negative numbers or decimals.
    - Multiples Calculator
      Calculate 100 multiples of a number. Example, multiples of 3 are 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45 .... Can start at a minimum value for the multiples generated.
    - Multiplication Practice | Times Tables Practice
      Test yourself on multiplication facts. Find the missing multiple or product for any multiplication fact series from 1 through 12. Times table for 1 through 12.
    - Number and Word to Standard Notation Calculator
      Convert numbers and words to numbers in standard notation. Standard notation calculator converts number word combinations into numbers in standard number notation.
    - Ordering Fractions Calculator
      Compare and order fractions, mixed numbers, integers, decimals and percents from least to greatest, or greatest to least. Finds the LCD of all fractions, creates equivalent fractions and then orders fractions.
    - Percent to Decimal Calculator
      Convert a percentage to a decimal. Free online percent to decimal conversion calculator. Change percents into decimals.
    - Percent to Fraction Calculator
      Convert percents to fractions. Calculator to change percents into fractions showing the work. See the math for converting a percent to a fraction or mixed number answer.
    - Percentage Calculator
      Percentage calculator to find percentage of a number, calculate x as a percent of y, find a number given percent. How to work out percentage formulas. Add and subtract percentages.
    - Place Value Calculator
      Find the place value for digits of a number and get the written out word form of that number.
    - Prime Factorization Calculator
      Prime number calculator to find prime factors. Learn what is a prime number. Perform prime decomposition and create a primes factor tree. Prime factorization of numbers.
    - Prime Number Calculator
      Prime number calculator to find if a number is prime or composite. What is a prime number? Factorization or decomposition of composite numbers.
    - Ratio Calculator
      Calculator solves ratios for the missing value or compares 2 ratios and evaluates as true or false. Solve ratio problems A:B = C:D, equivalent fractions, ratio proportions and ratio formulas.
    - Ratio to Fraction Calculator
      Convert ratios to fractions and simplify. Change part-to-part ratios and part-to-whole ratios into fractions. Convert ratio to fraction in simplest form.
    - Ratio Simplifier
      Simplify ratios and reduce to simplest form. Simplifying ratios calculator shows work with steps. Solve ratios with whole numbers, integers, decimal numbers, mixed numbers and fractions. Find the greatest common factor to reduce ratios to simplest terms.
    - Rounding Numbers Calculator
      Round numbers to thousands, hundreds, tens, ones, tenths, hundredths and thousandths. Online calculator for rounding numbers. How to round numbers and decimals.
    - Rounding Methods Calculator
      Use different methods to round positive and negative numbers. Explains the types of rounding rules people use to round numbers and decimals with halfway values.
    - Round to Nearest Multiple Calculator
      How to round numbers and decimals to nearest multiple such as dollars or cents, ones, fives, tens, tenths, hundredths, thousandths, etc. Like Excel MROUND() function.
    - Scientific Notation Calculator
      Scientific notation calculator to add, subtract, multiply and divide numbers in scientific notation. Answers are provided in scientific notation and E notation/exponential notation.
    - Scientific Notation Converter
      Convert numbers to scientific notation. Calculator for conversion of numbers into scientific notation and e notation. Converts to proper scientific notation format.
    - Significant Figures Calculator
      Significant figures calculator to add, subtract, multiply and divide significant figures online. Enter numbers and calculate answers rounding to significant digits or sig figs.
    - Significant Figures Counter
      Count how many significant figures in a number. Learn how to count sig figs in numbers, decimal numbers and scientific notation. Rules for significant digits.
    - Rounding Significant Figures Calculator
      Round a number to significant figures. Specify how many significant digits to round a number, decimal, or scientific notation. Rules for rounding numbers to sig figs.
    - Simplifying Complex Fractions Calculator
      Calculator to simplify complex fractions; fractions that have numerators and denominators, each of which are a mixed number, fraction, or integer. Solutions are given to solve the complex fraction by LCD multiplication or as a standard fraction division problem.
    - Speed Distance Time Calculator
      Solve for speed, distance, time and rate with formulas s=d/t, d=st, d=rt, t=d/s. Calculate rate of speed given distance and time. Find mph, miles per hour, km/hour.
    - Standard Form Calculator
      Standard form calculator converts numbers to standard form. Find positive or negative numbers written in standard form as decimals multiplied by a power of 10.
    - Unit Rate Calculator
      Calculate unit rate, unit price or unit cost for a rate or ratio. Enter quantity and item unit and this calculator shows the work on how to solve for the unit rate.
    - Math Calculators
      Use an online math calculator to calculate Factors, Fractions, Math, Scientific Notation, Mixed Numbers, Percentages, Prime Factors, Simplifying Fractions and Help working with fractions. Free online calculators for math, algebra, chemistry, finance, plane geometry and solid geometry. Free online converters. Free algebra and math word problems.
  - financial/110 pages
  - - Loan Calculators
      Calculations for car loans, auto loans, mortgages, and personal loans with amortization schedules. Calculate monthly loan payments given principal loan amount, loan terms and interest rate. Online calculator to determine monthly payment of any loan amount, length, and interest rate.
    - Interest and APR Calculators
      Calculators to determine simple interest, compund interest, and annual percentage rate APR. Use effective interest rate, nominal interest rate, periodic interest rate, and equivalent interest rate calculators to see how compounding frequency and number of periods affects interest rate calculation.
    - Time Value of Money Calculators
      Time value of money calculators to determine relative worth, present value of money versus future value of money. Calculate present value of lump sum and investments, and future value of investments given interest earned and inflation variables.
    - Financial Ratio Calculators
      Use Financial Ratio Calculators to assess the overall financial condition of a business or organization: Profitability Ratio, Debt Ratio, Liquidity Ratio, Operations Ratio.
    - Sales and Retail Calculators
      Calculators online for sales, markup, margin, price, profit, sale price and sales tax. Calculate among the sales variables in marginal analysis for cost, revenue, gross profit, gross margin and markup. Calculator to determine the sale price of a discounted item. Calculator online to calculate sales tax with a total price.
    - Personal Finance and Accounting Calculators
      Personal finance and accounting calculators for personal banking, checking and savings account balance reconciliation. Adding machine running total calculator lets you print calculation history. Checkbook calculator and numbers to words conversion for writing checks.
    - Depreciation Calculators
      Calculate depreciation and create depreciation schedules. Includes online calculators for activity, declining balance, double declining balance, straight line, sum of years digits, units of production, real estate property and variable declining balance depreciation. Depreciation formulas and Excel® equivalent functions.
    - Saving and Investing Calculators
      Calculators for saving and investing. Calculate how long it will take to save a target amount given regular deposits at an interest rate. Estimate how long a lump sum savings will last given regular withdrawals. Calculators for CDs, annuities, retirement savings, Rule of 72, how long to double an investment.
    - Money, Pay, and Tax Calculators
      Money, Pay and Tax Calculators to calculate gross pay, time card hours, federal tax estimates, property tax, sales tax, service tax in India. Also includes currency conversion tables, currency appreciation and depreciation calculators, bid-ask and tip calculators.
    - Financial Calculator Widgets
      Free website calculator widgets for banking institutions, credit unions and financial advisors. Preview calculators and get the code you need to place any financial calculator on your website.
    - Activity Method Depreciation Calculator
      Calculate depreciation of an asset using the activity based method. Calculator for depreciation per unit of activity and per period. Includes formulas and example.
    - Adding Machine Calculator
      Online adding machine with printable running tape record. Adding machine calculator for addition, subtraction, multiplication, division and percentages with virtual paper tape that keeps a running total and records your entries so you can double check them.
    - Advanced Loan Calculator
      Use this free online loan calculator to calculate payments and create a loan amortization schedule. Calculate loan amount, interest rate, loan term and payment amount.
    - Amortization Schedule Calculator
      Create an amortization schedule payment table for loans, car loans and mortgages. Enter loan amount, interest rate, number of payments and payment frequency to calculate financial loan amortization schedules. See amortized loan balance after each payment.
    - Amortization Schedule Calculator: Equal Principal Payments
      Create an amortization schedule for fixed-principle declining-interest loan payments where the principal remains constant while the interest and total payment amounts decrease. Enter loan amount, interest rate, number of payments and payment frequency to calculate financial loan amortization schedules.
    - Annuity on $1 Loan Table Creator
      Create a Future Value of an Annuity Due Table based on compounding interest calculations. Future value of a $1 ordinary annuity. Compound interest formula to find future values.
    - APR Calculator
      Calculate the Annual Percentage Rate (APR) of a loan or mortgage. What is the APR? Calculate APR from loan amount, finance and non-finance charges.
    - Basic APR Calculator
      Basic Annual Percentage Rate (APR) Calculator for a loan or mortgage. What is the APR of your mortgage or loan? Calculate annualized APR and create an amortization schedule.
    - Bid-Ask Calculator
      Calculate bid ask spread and bid ask margin for financial quotes or currency using this calculator. Calculate money exchange value from one currency to another and get the current exchange rates, for example, pounds ? to dollars $ or dollars $ to pounds ?.
    - Car Loan Calculator
      Calculate your monthly car payment based on loan amount, term and interest rate. Create a loan amortization schedule and payment tables for loans. Auto loan calculator to find monthly payment, total in payments and total interest for an auto loan.
    - Car Loan Payment Calculator
      Taxes, insurance, down payment and trade-in factored into your monthly car payment calculation. Create a loan amortization schedule and payment tables for loans.
    - CD Calculator
      Calculate the future value of a certificate of deposit investment. The future value of a one time lump sum investment plus taxes you will owe on interest earned.
    - Checkbook Balance Calculator
      Balance your checkbook using this formatted checkbook calculator. Provides a total that should match your checkbook balance. Hints on how to balance your checkbook.
    - Checkbook Calculator
      Math calculator that keeps a running total of operations. Useful to add or subtract a series of numbers like to balance a checkbook. Checkbook calculator.
    - Compound Interest Calculator
      Compound interest calculator finds compound interest earned on an investment or paid on a loan. Use compound interest formula A=P(1 + r/n)^nt to find interest, principal, rate, time and total investment value. Continuous compounding A = Pe^rt.
    - Currency Appreciation and Depreciation Calculator
      Calculate currency appreciation or currency depreciation using this calculator. Calculate money exchange value from one currency to another and get the current exchange rates, for example, pounds ? to dollars $ or dollars $ to pounds ?.
    - Currency Converter
      Currency conversion calculator. Rates updated daily from European Central Bank. Calculate money exchange value from one currency to another and get the current exchange rates, for example, pounds to dollars or dollars to pounds .
    - Debt Ratios Calculator
      Calculate several values relating to the debt of a business. Find debt ratio, debt/equity ratio, and times interest earned ratio. Free online business and financial ratio calculators.
    - Declining Balance Depreciation Calculator
      Calculate depreciation of an asset using the declining balance method and create a depreciation schedule. Calculator for depreciation at a chosen declining balance factor. Includes formulas, example, depreciation schedule and partial year calculations.
    - Deferred Fixed Annuity Calculator
      Annuity calculator for terms of 1 to 10 years. Fixed interest deferred annutities. Reports investment value, interest rate, year end values and yield to term for each year of the annuity.
    - Discount Calculator
      Calculate the discount, list price or sale price and find out the discount amount of money saved. Enter any two values to find the third. Where the formula is Sale Price = List Price - Discount x List Price.
    - Double Declining Balance Depreciation Calculator
      Calculate depreciation of an asset using the double declining balance method and create a depreciation schedule. Calculator for depreciation at a declining balance factor of 2 (200% of straight line). Includes formulas, example, depreciation schedule and partial year calculations.
    - Depreciation Calculator
      Calculate depreciation of an asset and create printable schedules using the straight line, double declining balance, sum of years' digits or units of production methods.
    - Effective Interest Rate Calculator
      Calculate the effective annual interest rate or APY (annual percentage yield) from the nominal annual interest rate and the number of compounding periods per year.
    - Effective Annual Rate (EAR) Calculator
      Calculate the effective annual rate (EAR) from the nominal annual interest rate and the number of compounding periods per year. Effective annual rate calculator can be used to compare different loans with different annual rates and/or different compounding terms.
    - EMI Loan Calculator
      Equated Monthly Installment or EMI calculator to find the monthly payment on a car loan or mortgage with in advance or in arrears. Create an amortization schedule for the monthly installment loan.
    - Equivalent Interest Rate Calculator
      Convert interest rate from one compounding frequency to another.
    - Income Tax Calculator
      Estimate Federal Income Tax for 2020, 2019, 2018, 2017, 2016, 2015 and 2014, from IRS tax rate schedules. Find your total tax as a percentage of your taxable income. Calculate net income after taxes.
    - Fixed Declining Balance Depreciation Calculator
      Calculate depreciation of an asset using Excel DB function for fixed declining balance method and create a depreciation schedule. Includes formulas, example, depreciation schedule and partial year calculations.
    - Future Value Calculator, Basic
      Calculate a simple future value of a present sum of money using the future value formula FV=PV(1+i)ⁿ. The future value return of a present value investment amount.
    - Future Value Calculator
      Calculate the future value of a present value sum, annuity or growing annuity with interest compounding and periodic payments. Future value formula FV=PV(1+i)ⁿ
    - Future Value of $1 Table
      FVIF table creator. Create a table of future value interest factors for $1, one dollar, based on compounding interest calculations. Future value of a present value of $1. Compound interest formula to find future values FV = $1(1+i)^n
    - Future Value of $1 Annuity Table
      FVIFA table creator. Create a table of future value interest factors for an annuity for $1, one dollar, based on compounding interest calculations. Future Value of an Annuity Due Table or Future Value of an Ordinary Annuity Table. Future value of a present value of $1. Compound interest formula to find future values of an annuity.
    - Investment Account Calculator
      Calculate the future value of an investment account or retirement account that has periodic, constant contributions and withdrawls at a constant interest rate. Retirement account calculator. Calculate investment value at the end of a period and or create a detailed account schedule.
    - Future Value of a Present Sum Calculator
      Calculate the future value of a present value lump sum of money using fv = pv * (1 + i)^n. The future value return of a one time present value investment amount.
    - Future Value of Annuity Calculator
      Calculate the future value of an annuity due, ordinary annuity and growing annuities with optional compounding and payment frequency. Annuity formulas and derivations for future value based on FV = (PMT/i) [(1+i)^n - 1](1+iT) including continuous compounding
    - Future Value of Cash Flows Calculator
      Calculate the future value of uneven, or even, cash flows. Finds the future value (FV) of cash flow series paid at the beginning or end periods. Similar to Excel combined functions FV(NPV()).
    - Gross Pay Calculator
      Calculate the gross amount of pay based on hours worked and rate of pay including overtime. Summary report for total hours and total pay. Free online gross pay salary calculator plus calculators for exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and more
    - How Much Car Can I Afford?
      Car affordability calculator. Calculate the price you can afford, and the loan amount you must take, for a car based on the monthly car payment you want to make. Also considers down payments, taxes and trade-ins to create a loan amortization schedule and payment tables for loans.
    - How Much House Can I Afford?
      Home affordability calculator. Calculate the price of a house you can buy, and the mortgage you must take, based on the monthly payments you can afford. total monthly mortgage payments on your home. Based on term of your mortgage, interest rate, loan amount, annual taxes and annual insurance. Choose mortgage calculations for any number of years, months, amount and interest rate. Pop up mortgage calculator.
    - How Much Loan Can I Afford?
      Load affordability calculator. Calculate a loan amount you can afford based on current interest rate and the amoount you can pay on a monthly installment. Pop up loan calculators.
    - Inflation Calculator
      Calculate the inflation and change in buying power between any two years from 1913 through this year. CPI inflation calculator and percentage change in the Consumer Price Index.
    - Interest-Only Mortgage Calculator
      Calculate monthly mortgage payments on your home for interest only period and principal plus interest period. Create a mortgage amortization schedule for your interest only mortgage. Pop up mortgage calculator.
    - Interest Rate on $1 Table Creator
      Create an Interest Rate Table to find a rate to grow $1 to a given future value. Interest Rate on present value of $1. Interest formula to find future values.
    - Investment Calculator
      Calculate the return of an investment account or the required variables necessary to meet your future account value goal.
    - Investment Inflation Calculator
      Calculate the effect of inflation on the future value of an investment account. Calculator to find out how much you will have in the future and what its value will be in today's dollars. Calculate how much to invest today to attain a specified inflation adjusted future value.
    - Layaway Plan Calculator
      Calculator online for layaway plan payments. Enter your price, tax, fees, down payment percent and number of payments in the layaway plan to calculate your total cost, down payment, and additional payment amounts.
    - Liquidity Ratios Calculator
      Calculate several values relating to liquidity of a business. Find current ratio, quick ratio, cash ratio, and working capital. Free online business and financial ratio calculators.
    - List Price Markdown Calculator
      Calculate the list price you need to set in order to allow for a customer discount and still maintain your desired revenue, gross profit, gross margin or mark up on a product or service. Calculate list price based on a markdown percentage to maintain profit margin and gross margin percentage.
    - Loan Calculator
      Calculate monthly payments for a loan using our free calculator. Find payment, principal, interest rate and term. Create a loan repayment amortization schedule.
    - Loan Payment Table Generator
      Create loan payment tables for car loans or mortgages. Lookup payments for various loan amounts, interest rates and monthly periods.
    - Loan Repayment Calculator
      Loan calculator with extra payments. Calculate monthly payments on a loan, try different loan scenarios for affordability or payoff, and calculate the payments, months or principal remaining on a current loan.
    - Margin Calculator
      Calculate gross margin on a product cost and selling price including profit margin and mark up percentage. Given cost and selling price calculate profit margin, gross profit and mark up percentage. Profit margin formulas. Free Online Financial Calculators from Free Online Calculator .net and now CalculatorSoup.com.
    - Markup Calculator
      Calculate markup on a product based on cost and margin. Calculate markup, profit and selling price. Online price and sales markup calculators.
    - Money Calculator
      Money calculator for adding up denominations of bills and coins in multiple currencies.
    - Mortgage Calculator
      Calculate monthly mortgage payments and amortization schedule based on term, interest rate and loan amount. Choose mortgage calculations for any number of years, months, amount and interest rate. Pop up mortgage calculator.
    - Mortgage Payment Calculator with Taxes and Insurance
      Calculate total monthly mortgage payments on your home with taxes and insurance. Based on term of your mortgage, interest rate, loan amount, annual taxes and annual insurance, calculate your monthly payments. Choose mortgage calculations for any number of years, months, amount and interest rate. Pop up mortgage calculator.
    - Mortgage Repayment Calculator
      Mortgage calculator with Extra Payments. Calculate total monthly mortgage payments on your home and what it will take in extra monthly payments to pay off your mortgage sooner. Based on term of your mortgage, interest rate and mortgage amount. Choose mortgage calculations for any number of years, months, amount and interest rate. Pop up mortgage calculator.
    - Net Present Value Calculator
      Calculate the net present value of uneven, or even, cash flows. Finds the present value (PV) of future cash flows that start at the end or beginning of the first period. Similar to Excel function NPV().
    - Nominal Interest Rate Calculator
      Calculate the nominal annual interest rate or APY (annual percentage yield) from the nominal annual interest rate and the number of compounding periods per year.
    - Operations Ratios Calculator
      Calculate several values relating to the operations of a business. Find inventory turnover, total asset turnover, average collection period, and equity multiplier. Free online business and financial ratio calculators.
    - Periodic Compound Interest Calculator
      Calculates principal, accrued principal plus interest, rate or time periods using the standard compound interest formula A = P(1 + r)^t. Calculate periodic compound interest on an investment or savings. Period can be months, quarters, years, etc. Formulas given to solve for principal, interest rates or accrued investment value or number of periods.
    - Periodic Interest Rate Calculator
      Calculate the effective periodic interest rate from the nominal annual interest rate and the number of compounding periods per year. Example, calculate daily periodic rate for a credit card account.
    - Present Value Calculator, Basic
      Calculate a simple present value of a future sum of money using the present value formula PV=FV/(1+i)ⁿ. The present value of a future value investment amount.
    - Present Value Calculator
      Calculate the present value of a future sum, annuity or perpetuity with compounding, periodic payment frequency, growth rate. Present value formula PV=FV/(1+i)ⁿ
    - Present Value of $1 Table
      PVIF table creator. Create a table of present value interest factors for $1, one dollar, based on compounding interest calculations. Present value of a future value of $1. Compound interest formula to find present values PV = $1/(1+i)^n.
    - Present Value of $1 Annuity Table
      PVIFA table creator. Create a table of present value interest factors for an annuity for $1, one dollar, based on compounding interest calculations. Present Value of an Ordinary Annuity or Present Value of an Annuity Due Table. Present value of a $1 ordinary annuity or $1 annuity due. Annuity formulas
    - Present Value of a Future Sum Calculator
      Calculate the present value of a future value lump sum of money using pv = fv / (1 + i)^n. The present value investment for a future value return.
    - Present Value of Annuity Calculator
      Calculate the present value of an annuity due, ordinary annuity, growing annuities and annuities in perpetuity with optional compounding and payment frequency. Annuity formulas and derivations for present value based on PV = (PMT/i) [1-(1/(1+i)^n)](1+iT) including continuous compounding.
    - Present Value of Cash Flows Calculator
      Calculate the present value of uneven, or even, cash flows. Finds the present value (PV) of future cash flows that start at the end or beginning of the first period. Similar to Excel function NPV().
    - Price Calculator
      Calculate the selling price you need to establish in order to acheive a desired gross margin on a known product cost. Also calculate mark up percentage on the product cost and the dollar value of the gross profit. Online price calculator. Free Online Financial Calculators from Free Online Calculator .net and now CalculatorSoup.com.
    - Profit Calculator
      Calculate profit on a product cost and selling profit including profit margin and gross margin percentage. Online profit profit calculator.
    - Profit Goal Calculator
      Set a target profit, sales or variable costs an and calculate required sales and costs to reach that profit. Analyze business goals.
    - Profit Margin Calculator
      Calculate profit margin, net profit and profit percentage from the cost and revenue. Given cost and selling price, calculate profit margin and profit percentage. Profit margin formulas.
    - Profitability Ratios Calculator
      Calculate several values relating to the profitability of a business. Find returns on assets and equity, gross profit margin, operating profit margin, net profit margin, earnings per share, and price/ earnings ratio. Free online business and financial ratio calculators.
    - Property Depreciation Calculator: Real Estate
      Calculate depreciation and create a depreciation schedule for residential rental or nonresidential real property related to IRS form 4562. Uses mid month convention and straight-line depreciation for recovery periods of 22, 27.5, 31.5, 39 or 40 years. Property depreciation for real estate related to MACRS.
    - Property Tax Calculator
      Calculate property taxes based on assessed value and a tax rate. California property tax calculations with annual assessment increases up to 2%
    - Retirement Savings Calculator
      How long will my retirement savings last? Estimate how many years your savings will last based on what you have to start, your monthly income deposits, and your monthly expense withdrawals.
    - Return on Investment ROI Calculator
      Return on Investment calculator finds ROI of final value given initial investment. Account for investment income and expenses and calculate annualized ROI.
    - Rule of 72 Calculator
      The Rule of 72: Divide 72 by the interest rate to get the number of years to double your investment. A good estimate for how long it takes to double your money.
    - Sale Price Calculator
      Free online calculator finds the sale price of a discounted item. Calculate sale price as percentage off list price, fraction off price, or multiple item discount.
    - Sales Calculator
      Online sales calculator to calculate cost, revenue, profit, mark up and margin. Enter 2 known variables into tho calculator to find the remaining 3 for a sales analysis. Formulas for profit, mark up and margin. Free Online Financial Calculators from Free Online Calculator.net and now from CalculatorSoup.com.
    - Sales Tax Calculator
      Sales tax calculator to calculate taxes on a sale and a total amount of a purchase including tax. Tax can be a state sales tax, use tax and a local sales tax. Calculate total of a sale including taxes.
    - Reverse Sales Tax Calculator
      Sales tax calculator to reverse calculate the sales tax paid and the price paid before taxes.
    - Savings Calculator
      How much money will you have in a saving account? Calculate the future value of a savings account. Calculating on the initial balance and periodic deposits you can find how much your saving wil be worth at some time in the future.
    - Selling Price Calculator
      Amazon, eBay and Etsy price calculator. Calculate the list price you need to set in an online marketplace to cover all of your costs and fees and meet your target profit, margin or markup.
    - Savings Goal Calculator
      How will I reach my savings goal? How much money will I need to save on a regular basis to reach my long term savings goal? Calculate the deposits required to reach a future value of a savings account. How long will it take to save a millions dollars?
    - Service Tax Calculator India
      Calculate gross value, gross charges and service taxes in India. Input gross amount that does or does not include taxes, service tax rate and education Cess tax rates to calculate out your gross values and total services taxes.
    - Simple Interest Calculator A = P(1 + rt)
      Calculate total principal plus simple interest on an investment or savings. Simple interest calculator with formulas and calculations to solve for principal, interest rate, number of periods or final investment value. A = P(1 + rt)
    - Simple Interest Calculator I = Prt
      Calculates interest, principal, rate or time using the simple interest-only formula I=Prt. Calculate simple interest (interest only) on an investment or savings. Calculator for simple interest with formulas and calculations for principal, interest rate, number of periods or interest. I = Prt
    - Simple Loan Calculator
      Loan calculator for a simple calculation of monthly payment for a loan in years or months. Monthly payment loan calculator with interest paid on the loan. Create a loan calculator payment amortization schedule.
    - State and Local Sales Tax Calculator
      Calculate taxes on a sale and a total amount of a purchase including tax that includes State, Local and Use taxes. Tax can be a state sales tax, use tax and a local sales tax. Calculate total of a sale including taxes. Free online financial calculators at CalculatorSoup.com.
    - Stock Ratios Calculator
      Calculate several values relating to the stock performance of a business or the market ratios. Find EPS, price to earnings ratio, price to sales ratio, price to book value ratio, and dividend payout ratio. Free online business and financial ratio calculators.
    - Straight Line Depreciation Calculator
      Calculate the straight-line depreciation of an asset or, the amount of depreciation for each period. Find the depreciation for a period or create a depreciation schedule for the straight line method. Includes formulas, example, depreciation schedule and partial year calculations.
    - Sum of Years Digits Depreciation Calculator
      Calculate the sum-of-years digits depreciation of an asset for a specified period and provides a depreciation schedule. Find the depreciation for a period or create a depreciation schedule for the Sum-of-years digits method. Includes formulas, example, depreciation schedule and partial year calculations.
    - Time Card Calculator
      Time Card Calculator & time sheet calculator. Payroll calculations. Enter time card daily times in and out to calculate total hours worked in a week along with regular hours, overtime hours, regular pay, overtime pay and gross pay. Similar to the 1728 time card.
    - Tip Calculator
      Calculate tip at a restaurant. Enter cost and tip percent to get a tip amount and total dinner amount. Also split the total amount; divide among any number of people. Answer is in dollars and cents or rounded to dollars.
    - Units of Production Depreciation Calculator
      Calculate depreciation of an asset using the units-of-production method. Calculator for depreciation per unit of production and per period. Includes formulas and example.
    - Variable Declining Balance Depreciation Calculator
      Calculate depreciation of an asset using variable declining balance method and create a depreciation schedule. This type of calculation is allowed under MACRS. Calculator for depreciation combining declining balance and straight line methods. Includes formulas, example, depreciation schedule and partial year calculations.
    - Present Value Formula
      Formulas to calculate the present value of future amounts, annuities and perpetuities. Find the present day value of a future sum with interest compounding and payments.
    - Future Value Formula
      Formulas to calculate the future value of lump sums, annuities, or growing annuities. Explains how compounding and periodic payment frequency affect formulas for future value formulas for present lump sums, annuities, growing annuities, and constant compounding.
    - USD United States Dollar Currency Conversion
      Currency exchange rates conversion table for USD United States Dollar. Rates updated daily from European Central Bank. Calculate money exchange value from USD currency to another.
    - Financial Calculators
      Calculators for loans, car loans, mortgages with amortization schedules. Calculate time value of money, savings and investing, sales and retail and financial ratios. Time card calculator, gross pay, tax and depreciation calculators.
  - algebra/26 pages
  - - Absolute Difference Calculator
      Calculate the absolute difference between two numbers and get the problem solution. Finds the absolute difference between two numbers. The absolute difference between two numbers can be thought of as the distance between those numbers on a number line.
    - Absolute Value Calculator
      Calculate the absolute value of numbers. Finds the absolute value of real numbers. The absolute value of a number can be thought of as the distance of that number from 0 on a number line.
    - Completing the Square Calculator
      Solve quadratic equations using this calculator for completing the square. Shows answers and work for real and complex roots. Uses completing the square formula to solve a second-order polynomial equation or a quadratic equation. Shows work by example of the entered equation to find the real or complex root solutions.
    - Cube Calculator x³
      Calculate the cubed value of a number such as n³. Cube numbers input as whole numbers or integers or decimal numbers or scientific E notation that are either positive or negative. Find perfect cubes.
    - Cube Root Calculator
      Calculate the cube root of numbers. 3rd root calculator. The cube root of a positive number is positive and the cube root of a negative number is negtative.
    - Cubic Equation Calculator
      Solve cubic equations or 3rd Order Polynomials. Solve cubic (3rd order) polynomials. Uses the cubic formula to solve a third-order polynomial equation for real and complex solutions. Cubic calculator
    - Difference of Two Squares Calculator
      Factor the difference of two squared terms in the form a^2 - b^2. Answer with work to get the factored solution from the difference of 2 squares.
    - Dot Product Calculator
      Find the dot product of two or more vectors with an equal number of terms.
    - Exponents Calculator
      Calculator for Exponents. Find the power of large integers and decimals. Negative exponents, decimal exponents and large exponents. Exponent Rules. Shows solution for small integers to the power of small integers.
    - Large Exponents Calculator
      Calculator for exponents larger than 1000. Find the power of large integers raised to large integers. Answer is in scientific notation and the full digit answer.
    - Fifth Roots Calculator
      Calculate the fifth root of numbers. 5th root calculator. List of roots for resulting answers 1 through 10. Free online calculators for radicals, exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and more. Calculator roots.
    - Fourth Roots Calculator
      Calculate the fourth root of numbers. 4th root calculator. Free online calculators for radicals, exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and more. Calculator roots.
    - Fraction Exponents Calculator
      Find exponents of numbers using fractional exponents. Fractional Exponents. Shows the problem solutions for solving exponents with fractions.
    - Logarithm Equation Calculator
      Solve Exponential Equations for Exponents using X = log(B) / log(A). Will calculate the value of the exponent. Free online calculators for exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and more. Calculator simple exponents and fractional exponents
    - Percentage Change Calculator
      Calculating percentage change and expressing an increase or decrease. ( ΔV / |V1| ) * 100 = ((V2 - V1) / |V1|) * 100 = percentage change. Positive percentage change is an increase and negative is a decrease. How to calculate percentage change and percentage formula.
    - Percentage Increase Calculator
      Percentage increase calculator finds the increase from one value to another as a percentage of the first value. Shows you how to find percentage increase with percent increase formula.
    - Percentage Decrease Calculator
      Percentage decrease calculator finds the decrease from one amount to another as a percentage of the first amount. Shows you how to find percentage decrease with percent decrease formula.
    - Percentage Difference Calculator
      Calculating percentage difference of two numbers. ( | ΔV |/ ( ∑V/2) ) * 100 = ( | (V1 - V2) | / ((V1 + V2)/2) ) * 100 = percentage difference. How to calculate percentage difference and percentage formula.
    - Percent Error Calculator
      Calculate percentage error between experimental measured values and theoretical actual values. Percentage Error = ((Experimental - Theoretical) / |Theoretical|) * 100.
    - Quadratic Formula Calculator
      Solve quadratic equations using a quadratic formula calculator. Calculator solution will show work for real and complex roots. Uses the quadratic formula to solve a second-order polynomial equation or quadratic equation. Shows work by example of the entered equation to find the real or complex root solutions.
    - Radicals and Roots Calculator
      Find radical or roots of numbers. Just enter the radical and radicand into the calculator. Free online calculators for radicals, exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and more. Calculator roots.
    - Simplify Radical Expressions Calculator
      Enter the radical and radicand of the radical expression you want to simplify and the expression will be simplified for you. Shows the work. Calculator roots.
    - Solve for Exponents Calculator
      Solve Exponential Equations for Exponents using X = log(B) / log(A). Will calculate the value of the exponent. Free online calculators for exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and more. Calculator simple exponents and fractional exponents
    - Square Calculator x²
      Calculate the squared value of a number such as n². Square numbers input as whole numbers or integers or decimal numbers or scientific E notation that are either positive or negative.
    - Square Root Calculator
      Square root calculator and perfect square calculator. Find the square root, or the two roots, including the principal root, of positive and negative real numbers. Calculate the positive principal root and negative root of positive real numbers. Also tells you if the entered number is a perfect square.
    - Algebra Calculators
      Online Algebra Calculators. Calculate Cube Roots, Square Roots, Exponents, Radicals or Roots, Simplifying Radical Expressions and Fractional Exponents. Free online calculators for math, algebra, chemistry, finance, plane geometry and solid geometry. Free online converters. Free algebra and math word problems.
  - conversions/32 pages
  - - Acceleration Conversion Calculator
      Convert among units of acceleration including foot per hour per second, foot per minute per second, foot per second squared, galileo, gravity (standard), inch per minute per second, inch per second squared, meter per second squared, knot per second, mile per hour per second, mile per minute per second and mile per second squared. Learn how to convert among units of acceleration.
    - Angle Conversion Calculator
      Convert among angular units. Convert to radian, degree, minutes, seconds, sign, octant, sextant, quadrant, revolution, gon and mil. Learn how to convert among anular units.
    - Area Conversion Calculator
      Convert among area units. Convert to square meters, square inches, and square feet. Learn how to convert among area units.
    - Aspect Ratio Calculator
      Calculate the width:length ratio for displays and images.
    - Avoirdupois Weight Conversion Calculator
      Convert among Avoirdupois Weight units. Convert to drams, grains, hundredweights, pounds, and tons. Learn how to convert between Avoirdupois weight units.
    - Numbers to Words Converter
      Convert a number to a word representation with numbers to words, numbers to usd currency and how to write check amounts conversion calculator. Currency to words converter. Integer and decimal numbers and Scientific E Notation to words converter. Very large numbers and many decimal places to American words converter. Figures to words converter.
    - Digits to Words Converter
      Convert digits to words in your choice of language and letter case. Read and speak numbers as words for dates, decimals, dollar amounts, tracking numbers or social security numbers.
    - Computer Storage Units Conversion Calculator
      Convert among computer storage units. Convert to bits, bytes, kilobytes, megabytes, and gigabytes. Learn how to convert among comptuer storage units.
    - Cooking Conversion Calculator
      Convert cooking weights, liquid and dry measures, lengths and temperatures. Common U.S. units of measure used in the kitchen for cooking along with common metric units. Free online cooking and kitchen conversions.
    - Decimal Degrees to Degrees Minutes Seconds
      Convert decimal degrees to degrees, minutes and seconds. Convert latitude and longitude degrees from decimal to degrees minutes seconds.
    - Density Conversion Calculator
      Convert among density units. Convert to kilograms per cubic meter, grams per cubic centemeter, ounces per cubic inch, and pounds per cubic foot. Learn how to convert among density units.
    - Distance Conversion Calculator
      Convert among distance units. Convert to kilometers, meters, centimeters, inches, and feet. Learn how to convert among distance units.
    - Energy Conversion Calculator
      Convert among energy units. Convert to British Thermal Units, calories, joules, therms, and electron volts. Learn how to convert among energy units.
    - Force Conversion Calculator
      Convert among force units. Convert to newton, dyne, kilogram-force, pound-force, and poundals. Learn how to convert among force units.
    - Height Converter ft to cm and cm to in
      Convert ft and in to cm, convert in to cm and convert cm to in. Convert height measurements between US units and metric units and convert heights between Imperial and metric units.
    - Height Converter ft and in to cm
      Convert to cm from ft and in. Convert height measurements from US units of feet and inches to metric units of centimeters. Enter feet and/or inches to convert to height in centimeters.
    - Height Converter cm to in and ft
      Convert to in and/or feet from cm. Convert height measurements from metric units of centimeters to US units of inches and feet. Enter height in centimeters to convert height to inches and/or feet.
    - Meters to Feet Conversion (m to ft)
      Meters to feet conversion. Convert meters to feet and inches. Choose decimal places or fractions of an inch for feet and inches conversion accuracy.
    - Metric Units Conversion Calculator
      Convert among metric units. Convert to kilo, centi, deci, base unit, mega, and giga.
    - Minutes to Decimal Converter
      Convert minutes to decimal hours for calculating time cards and payroll. Divide minutes by 60 to find decimal minutes, military minutes and hundredths of an hour.
    - Minutes to Hours Converter
      Convert minutes to hours. Convert minutes to hours and minutes. Answer will be in both decimal hours total, hours and minutes total, and hh:mm format of hours and minutes. Formulas to convert minutes to hours and minutes.
    - Power and Heat Flow Rate Conversion Calculator
      Convert among power and heat flow units. Convert to watt, horsepower, joules per hour, and BTU per hour. Learn how to convert among power and heat flow rate units.
    - Pressure Conversion Calculator
      Convert among pressure units. Convert to pascals, bars, and inches of mercury. Learn how to convert among pressure units.
    - Speed Conversion Calculator
      Convert among speed units. Convert to kilometers per hour, meters per second, miles per hour, knots, and the speed of light
    - Temperature Conversion Calculator
      Convert among temperature units. Convert to Fahrenheit, Celsius, Kelvin, and Rankine. Learn how to convert among temperaure units.
    - Celsius to Fahrenheit | °C to °F
      Convert temperature units from Celsius scale to Fahrenheit scale. C to F. How to solve the equation °F = °C × 9/5 + 32. Learn how to convert among temperaure units Celsius to degrees Fahrenheit.
    - Fahrenheit to Celsius | °F to °C
      Convert temperature units from Fahrenheit scale to Celsius scale. F to C. How to solve the equation °C = (°F − 32) × 5/92. Learn how to convert among temperaure units Celsius and Fahrenheit.
    - Time Conversion Calculator
      Convert between time units. Convert decimal time to seconds, minutes, hours, days, weeks, and years. Learn how to convert from one time unit into another.
    - Troy Weight Conversion Calculator
      Convert among Troy Weight units. Convert to grains, carats, pennyweights, ounces, and pounds. Learn how to convert among Troy Weight units.
    - Volume Conversion Calculator
      Convert among volume units. Convert to liter, mililiter, hogsheads, teaspoons, ounces, and gallons. Learn how to convert among volume units.
    - Weight (Mass) Conversion Calculator
      Convert among weight (mass) units. Convert to grams, miligrams, kilograms, metric tons, ounces, pounds, and tons.
    - Roman Numeral Calculator
      Roman numeral math showing the steps. Add and subtract Roman numerals using I, V, X, L, C, D and M. Multiply and divide Roman numerals.
    - Conversion Calculators
      Online converters and unit conversions for Acceleration, Angular Units, Area, Computer Storage, Decimals, Fractions, Density, Distance/ Length, Energy, Work, Force, Height, Metric Unit, Numbers to Words, Pressure, Speed, Temperature, Time, Volume, Weight and Mass. Free online conversions and tables with help performing unit conversions.
    - Roman Numeral Converter
      Convert Roman numerals to numbers or convert numbers to Roman numerals. Find Roman numerals up to 3,999,999 using I, V, X, L, C, D and M.
    - Roman Numeral Date Converter
      Write a date in Roman numerals. Use this converter as a Roman numeral translator for dates and years. Also convert date numbers in month, day and year to dates in Roman numerals.
    - Pounds to Kilograms Conversion | lb to kg | kg to lb
      Conversion between weight units of pounds and kilograms including grams and ounces. A conversion factor will also be given in the results that can be used for quick conversions.
  - time/17 pages
  - - Age Calculator
      Calculate age on a specific date in years, months and days; months and days; and total days of your age. Format dates for US, Europe or ISO specifications. Calculate age since date of birth, calculate age or total days since any event.
    - Age Checker
      Check minimum age on this date. Reverse age check calculator finds date and year of birth born on or before to be age 21, 18, 16 or 13. Age compliance calculator.
    - Date Calculator | Days and Business Days
      Calculator to add days to a date or subtract days from a date. Calculate a calendar date given how many days or business days into the future or the past.
    - Date Difference Calculator
      Calculate date difference in days or business days between 2 dates. Find date difference with future or past dates. Use United States, European or ISO date formatting. Calculate days for contracts, shipping, business agreements, birth dates, age, etc.
    - Date ± Calendar Units Calculator
      Calculate plus or minus days, weeks, months, quarters or years added to or subtracted from a date. Add or subtract from a date. Calculate a new date based on days ago, weeks ago, months ago, etc. or in the future from a date. Format dates for US, Europe or ISO specifications. Calculate timing for contracts, shipping, business agreements, etc.
    - Decimal to Time Calculator
      Convert decimal number of days, hours, minutes or seconds to hh:mm:ss time format including hundredths of a second. Calculator for float number to time format.
    - Digital Stopwatch Timer Calculator
      Calculate, add or subtract, stopwatch lap times. Calculator will add/subtract mm:ss.s for minutes, seconds and tenths of seconds. Adds stopwatch timer times. Will add up to hours. Free online digital stopwatch times calculator.
    - Hours Calculator
      Calculate total hours like a time card for labor by entering start and end times. Use this calculator for time sheet or time card calculations. Calculates total elapsed hours, or time span, in hours:minutes, hours in decimal form and total minutes. Free online hours calculator.
    - Military Time Converter
      Convert from military time to regular time with the Military Time Converter. You can also convert to military time from regular time in hours and minutes.
    - Military Time Chart
      Convert military time to regular time using these quick reference charts. Also convert regular civilian minutes to military minutes in decimal form for payroll.
    - Sunrise Sunset Times
      Calculate sunrise and sunset times by latitude, longitude and UTC time zone. Sunrise and sunset times found by PHP functions using date_sun_info(). Get a list of sunrise and sunset for up 30 days. Free online calculators and conversions.
    - Time & Date Difference Calculator
      Calculate time and date difference in time and days between 2 date times. Find date difference with future or past dates and times. Use United States, European or ISO date formatting. Calculate days for contracts, shipping, business agreements, birth dates, age, etc.
    - Time Calculator | Add, Subtract, Multiply, Divide Time
      Time calculator to add, subtract, multiply and divide days, hours, minutes and seconds. Do math on time segments with addition, subtraction, multiplication or division.
    - Time Calculator hh:mm:ss
      Calculate, add or subtract, time formatted values in hours, minutes and seconds; hh:mm:ss. Will add and subtract time total with keypad-only in an adding machine style entry keeping a running total of the time.
    - Time Clock Calculator | Clock-In Clock-Out
      Record time and attendance with this time clock calculator in your set timezone. Clock In and Clock Out for multiple periods in a day. Use it like a regular time card or a project time tracker.
    - Time to Decimal Calculator
      Convert time hh:mm:ss to decimal hours, decimal minutes and total seconds. Shows steps to calculate decimal hours, minutes and seconds. Conversion calculator that returns a reduced or simplified time and the decimal form.
    - Work Hours Calculator
      Work Hours Calculator with breaks adds total hours worked in a week. Online time card calculator with lunch, military time and decimal time totals for payroll calculations.
    - Time & Date Calculators
      Add and subtract dates and time in hours, minutes and seconds. Calculate day and business day spans, total time clock hours, age, date differences and time differences, work hours and related pay, stopwatch times and convert among time units and decimal time units.
  - wordproblems/6 pages
  - - Algebra Word Problems Using Age
      Practice algebra word problems with people ages that require algebra and 2 unknown quantities. Create new word problems and practice again to learn how to solve simple algebra word problems.
    - Algebra Word Problems Using Coins
      Practice algebra word problems with coins that require algebra and 2 unknown quantities. Create new word problems and practice again to learn how to solve simple algebra word problems.
    - Math Word Problems: Addition & Multiplication
      Practice math word problems with addition and multiplication of coins. Create new word problems each time and practice again to learn how to solve a word problem.
    - Math Word Problems: Division
      Practice math word problems with division. Create new word problems each time and practice again to learn how to solve a word problem. Word problems with math and algebra.
    - Percentage Change Word Problems
      Generate and Practice word problems with percentage change and the percentage change formula. Create new word problems each time and practice again to learn how to solve a word problem.
    - Word Problems
      Math and Algebra Word Problems using coins, ages and landscaping for examples. Math word problems. Algebra word problems.
  - geometry-plane/20 pages
  - - Annulus Calculator
      Calculator online for an annulus. Calculate the unknow defining areas, circumferences and radii of an annulus with any 2 know variables. Online calculators and formulas for an annulus and other geometry problems.
    - Circle Calculator
      Calculate the area, circumference, radius and diameter of circles. Find A, C, r and d of a circle. Given any 1 known variable of a circle, calculate the other 3 unknowns. Circle formulas and geometric shape of a circle.
    - 2D Distance Calculator
      Calculate distance of 2 points in 2 dimensional space. Shows work with distance formula and graph. Enter 2 coordinates in the X-Y coordinates system to get the formula and distance of the line connecting the two points. Online distance calculator.
    - Equilateral Triangles Calculator
      Calculator to find sides, perimeter, semiperimeter, area and altitude Equilateral Triangles. Given 1 unknown you can find the unknowns of the triangle.
    - Geometric Shapes in Plane Geometry
      Calculators and Geometric Shapes for annulus, circle, parallelogram, rectangle, square, stadium and triangles. Diagrams of plane geometry shapes leading to specific plane geometry calculators.
    - Isosceles Triangles Calculator
      Calculator to find sides, perimeter, semiperimeter, area and altitudes of Isosceles Triangles. Given 2 unequal known sides you can find the unknowns of the triangle.
    - Law of Cosines Calculator
      Calculate angles or sides of triangles with the Law of Cosines. Calculator shows law of cosines equations and work. Calculates triangle perimeter, semi-perimeter, area, radius of inscribed circle, and radius of circumscribed circle around triangle.
    - Law of Sines Calculator
      Calculate angles or sides of triangles with the Law of Sines. Calculator shows law of sine equations and work. Calculates triangle perimeter, semi-perimeter, area, radius of inscribed circle, and radius of circumscribed circle around triangle.
    - Midpoint Calculator
      Calculate the midpoint of a line given two endpoints. Calculate distance between 2 points and find the missing endpoint. Shows the work and graphs the answer.
    - Parallelogram Calculator
      Calculator online for an parallelogram. Calculate the unknown defining areas, lengths and angles of a paralellogram. Online calculators and formulas for an annulus and other geometry problems.
    - Pythagorean Theorem Calculator
      Pythagorean Theorem Calculator uses the Pythagorean formula to find hypotenuse c, side a, side b, and area of a right triangle. Pythagorean triples explained.
    - Rectangle Calculator
      Calculator online for a rectangle. Calculate the unknown defining areas, diagonals and angles with any three known variables. Online calculators and formulas for an rectangles and other geometry problems.
    - Regular Polygon Calculator
      Calculator online for a regular polygon of three sides or more. Calculate the unknown defining areas, circumferences and angles of a regular polygon with any one known variables. Online calculators and formulas for a regular polygon and other geometry problems.
    - Rhombus Calculator
      Calculator online for a rhombus. Calculate the unknown defining areas, angels and side lengths of a rhombus with any 2 known variables. Online calculators and formulas for a rhombus and other geometry problems.
    - Right Triangles Calculator
      Calculator and Pythagorean Theorem to find sides, perimeter, semiperimeter, area and altitudes of Right Triangles. Given 1 known you can find the unknowns of the triangle.
    - Slope Calculator
      Slope calculator finds slope of a line using the formula m equals change in y divided by change in x. Shows the work, graphs the line and gives line equations.
    - Square Calculator
      Square calculator finds unknown side length, diagonal, perimeter and area of a square with any one known variable using square formulas for side length, diagonal, perimeter and area of a square. Online calculators and formulas for a square and other geometry problems.
    - Stadium Calculator
      Calculator online for a stadium. Calculate the unknown defining areas, perimiters and radii of an stadium with any 2 known variables. Online calculators and formulas for an stadium and other geometry problems.
    - Triangle Theorems Calculator
      Calculator for Triangle Theorems AAA, AAS, ASA, ASS (SSA), SAS and SSS. Given theorem values calculate angles A, B, C, sides a, b, c, area K, perimeter P, semi-perimeter s, radius of inscribed circle r, and radius of circumscribed circle R.
    - Plane Geometry Calculators
      Online calculators for geometric shapes including square, annulus, circle, parallelogram, stadium and triangles. Free online plane geometry calculators for help with calculating area.
  - statistics/21 pages
  - - Mean Calculator | Average Calculator
      Calculate the average of a set of numbers. Mean calculator finds the mean by adding all numbers and dividing by the count. Free online statistics calculators.
    - Descriptive Statistics Calculator
      Calculator online for descriptive or summary statistics including minimum, maximum, range, sum, size, mean, median, mode, standard deviation, variance, midrange, quartiles, interquartile range, outliers, sum of squares, mean deviation, absolute deviation, root mean square, standard error of the mean, skewness, kurtosis, kurtosis excess in Excel, coefficient of variation and frequency. Online calculators for statistics.
    - Statistics Formulas
      Summary or descriptive statistics formulas for calculating statistical minimum, maximum, range, sum, count, mean, median, mode, standard deviation, variance, midrange, quartiles, percentiles, sum of squares, mean deviation, absolute deviation, root mean square, standard error of the mean, skewness, kurtosis, kurtosis excess, coefficient of variation and frequency.
    - GPA Calculator
      GPA calculator for college, high school, middle school. Calculate term or cumulative GPA. Uses standard 4.0 scale with weighted GPA for honors and AP courses.
    - Mean, Median, Mode Calculator
      Mean, median and mode calculator for statistics. Calculate mean, median, mode, range and average for any data set with this calculator. Free online statistics calculators.
    - Percentile Calculator
      Calculate the pth percentile of any data set up to 10000 numbers. Find percentile p and create a table listing the data value at every 5th percentile.
    - PIN Generator
      Generate a random PIN personal identification number for ATMs, banking, or other login security. Get a 6-digit or 4-digit PIN, or a PIN up to 100 numbers long.
    - Quartile Calculator | Interquartile Range Calculator
      Calculate first, second and third quartiles, Q<sub
    - Random Card Generator
      The Random Card Generator lets you draw a random card from a shuffled deck of playing cards. Randomly draw multiple playing cards with our virtual card shuffler.
    - Random Number Generator
      Random number generator for numbers 0 to 10,000. Generate positive or negative pseudo-random numbers in your custom min-max range with repeats or no repeats.
    - Random Number Generator 1-10
      Generate a random number between 1 and 10. Pseudo-random number generator PRNG randomly draws a number from 1 to 10 on each pick.
    - Random Number Generator 1-100
      Generate a random number from 1 to 100. Get unlimited picks to randomly draw a number from 1 to 100. This generator is a pseudo-random number generator or PRNG.
    - Random Number and Letter Set Generator
      Randomly generate sets of numbers or letters for sample sets or sampling. Random number and letter generator creates a set of one or more randomly chosen numbers or letters.
    - Standard Deviation Calculator
      Calculates standard deviation and variance for a data set. Calculator finds standard deviation, the measure of data dispersion, and shows the work for the calculation.
    - Statistics Calculator
      Online statistics calculator to calculate basic statistics including minimum, maximum, sum, count, range, mean, median, mode, standard deviation and variance. Calculate the statistics for a sample or population.
    - Stem and Leaf Plot Generator
      Generate stem and leaf plots and display online. Also get basic descriptive statistics with the stem and leaf plot calculator. Generate plots with single or split stems. Basic statistics include minimum, maximum, sum, size, mean, median, mode, standard deviation and variance. Free online calculators for statistics and stemplots.
    - Sum Calculator
      Calculate the sum of a set of numbers. Calculator performs addition or summation to compute the total amount of entered numbers.
    - Variance Calculator
      Calculates variance and standard deviation for a data set. Calculator finds variance, the measure of data dispersion, and shows the work for the calculation.
    - Vote Percentage Calculator
      Calculate vote percentages for candidates or ballot questions. Find the share of the vote for a candidate, political party, or election contest. Proportion of votes.
    - Z Score Calculator
      Z-score calculator computes a standardized z-score for any raw data point x. Enter population mean and standard deviation for a given normal distribution.
    - Statistics Calculators
      Online statistics calculators to calculate descriptive statistics, create stem and leaf plots, stemplots, and convert odds to probability. Descriptive values include statistical minimum, maximum, range, sum, count, mean, median, mode, standard deviation, variance, z-score, midrange, quartiles, sum of squares, mean deviation, absolute deviation, root mean square, standard error of the mean, skewness, kurtosis, coefficient of variation and frequency.
    - Final Grade Calculator
      What final exam grade do you need to hit your target grade for the class? Enter current grade plus weight of the final to calculate your final exam score goal.
  - physics/19 pages
  - - Average Velocity Calculator
      v = (v + u) / 2, Calculate average velocity as a function of initial and final velocity. Solve for mathematical average velocity, initial velocity or final velocity. Free online physics calculators and velocity equations in terms of constant acceleration, time and displacement.
    - Density Calculator p = m/V
      Density, mass, volume calculator. Enter 2 values to convert and calculate the third, density, mass or volume. Free online physics calculators, velocity equations and density, mass and volume calculators.
    - Displacement Calculator s = vt
      Calculate displacement as a function of average velocity and time. Solve for s, v or t; displacement, average velocity or time. Displacement equation in terms of displacement (s), average velocity (v) and time (t). This is also an average speed, distance, time calculator.
    - Displacement Calculator s = (1/2)( v + u )t
      Calculate displacement (s) as a function of initial velocity (u), final velocity (v) and time (t). Solve for t, s, u or v; time, displacement, initial velocity or final velocity. Physics calculators and velocity equations.
    - Displacement Calculator s = ut + (1/2)at^2
      Calculate displacement as a function of initial velocity, acceleration and time using the equation s = ut + (1/2)at^2. Solve for s, u, a or t; displacement, initial velocity, acceleration or time. Free online physics calculators and velocity equations in terms of constant acceleration, time and displacement.
    - E = mc² Calculator
      Calculate the E=mc^2 mass energy equivalence where the energy in a system at rest equals its mass times the speed of light squared. Einstein’s special relativity theory.
    - Elastic Potential Energy Calculator
      Calculate elastic potential energy, U, of a spring using U = ½kΔx² where k is the spring constant and Δx is the change in position or displacement.
    - Force Calculator F = ma
      Calculate the unknown variable in the equation for force, where force equals mass multiplied by acceleration. Free online physics calculators.
    - Friction Calculator f = μN
      Calculate friction (f) as a function of the coefficient of friction (μ) and the normal force (N). Solve for f, μ, or N with the formulas to solve for the frictional force, the coefficient of friction and the normal force.
    - Gravitational Potential Energy Calculator
      Calculate the unknown variable in the equation for gravitational potential energy, where potential energy is equal to mass multiplied by gravity and height; PE = mgh. Calculate GPE for different gravity of different enviornments - Earth, the Moon, Jupiter, or specify your own. Free online physics calculators, mechanics, energy, calculators.
    - Hooke's Law Calculator F = -kx
      Calculate the unknown variable in the equation for Hooke's Law, where force F equals the spring constant k multiplied by displacement x. Hooke's law states F = -kx
    - Ideal Gas Law Calculator PV = nRT
      Calculate any variable in the equation for the Ideal Gas Law PV = nRT, where pressure times volume equals moles times the ideal gas constant times temperature.
    - Impulse Calculator J = Ft
      Impulse Calculator finds impulse, force or time with the impulse equation J=Ft. Calculate impulse as change in momentum due to force applied over a time interval.
    - Impulse-Momentum Calculator F Δt = m Δv
      Impulse-Momentum Calculator finds impulse, force, time, mass, change in velocity, initial or final velocity with the equation F Δt = m Δv. Calculate impulse momentum.
    - Kinetic Energy Calculator
      Calculate the unknown variable in the equation for kinetic energy, where kinetic energy is equal to one half times the mass multiplied by velocity squared; KE = 1/2 * mv^2. Free online physics calculators, mechanics, energy, calculators.
    - Momentum Calculator p = mv
      Momentum, mass, velocity calculator. Enter 2 values to convert and calculate the third, momentum, mass or velocity. Free online physics calculators, velocity equations and density, mass and volume calculators.
    - Uniformly Accelerated Motion Calculator
      Solve problems of motion using Uniformly Accelerated Motion equations or Kinematic Equations. Given any three variables of v, u, s, a, t this calculator will solve for the other two. Solutions given along with the derived equations used to solve the problem.
    - Velocity Calculator v^2 = u^2 + 2as
      Calculate final velocity as a function of initial velocity, acceleration and displacement using v^2 = u^2 + 2as. Solve for v, u, a or s; final velocity, initial velocity, acceleration ar displacement. Free online physics calculators for velocity and displacement.
    - Velocity Calculator v = u + at
      Velocity as a Function of Acceleration and Time v = u + at : Calculate final velocity (v) as a function of initial velocity (u), acceleration (a) and time (t). Velocity calculator will solve v, u, a or t. Free online physics calculators and velocity equations.
    - Wavelength Calculator λ = v/f
      Calculate wavelength (λ) as a function of velocity (v) and frequency (f). Solve for &lambda, v, or f with the formulas to solve for wavelength, velocity and frequency.
    - Weight Calculator W = mg
      Calculate weight (W) as a function of mass (m) and gravity (g). Solve for W, m, or g with the formulas to solve for the weight, mass and gravity. W = mg is related to F = ma.
    - Work Calculator
      Calculate the unknown variable in the equation for work, where work is equal to force multiplied by displacement; W = Fs. Free online physics calculators, mechanics, energy, calculators.
    - Physics Calculators
      Online physics calculators for motion in a straight line under constant acceleration: Average velocity, Velocity as a function of initial velocity, acceleration and time, Displacement as a function of velocity and time, Displacement as a function of initial velocity, acceleration and time
  - health/4 pages
  - - BMI Calculator (Body Mass Index)
      BMI Calculator for adults or children calculates Body Mass Index given weight and height. BMI is a ratio of mass to height used as a general health risk indicator.
    - BMI Calculator for Women
      BMI Calculator for adult women calculates Body Mass Index given weight and height. BMI is a ratio of mass to height used as a general health risk indicator.
    - Pace Calculator
      Find your running pace in US or metric units. Online calculator finds pace per mile, kilometer, yard or meter for running, biking, swimming or walking. Calculate pace for marathon, half marathon, triathlon, running events.
    - Target Heart Rate Calculator
      Maximum heart rate calculator and exercise target heart rate zone calculator. Calculate exercise target heart rate zones using basic or Karvonen formulas. The 5 exercise zones calculated are VO2 Max, Anaerobic, Aerobic, Fat Burn and Warm Up heart rate zones.
    - Health Calculators
      Health related calculators
  - games/11 pages
  - - Bingo Number Generator
      Bingo number generator randomly picks numbered balls so you can call a game of Bingo. Generator chooses random Bingo numbers 1 to 75 in this free online app.
    - Bingo Card Generator
      Random bingo card generator creates bingo cards by randomly choosing numbers from 1-75. Print out online bingo cards and play bingo at home, school or work anytime.
    - Dice Roller
      Roll 1 to 6 dice. Online dice roller. Use this dice roller online to play yahtzee, dice poker, craps and many other dice games.
    - Lottery Number Generator
      Lottery number generator with option to include favorite lucky numbers. Pick random lottery numbers for Powerball, Mega Millions, Lucky for Life, Lotto America, Cash4Life, Lotto Max, Pick 2, Pick 3, Pick 4, Pick 5, EuroMillions, Set for Life, Thunderball, Mahzooz.
    - NFL Draft Pick Value Calculator
      Compare total trade values and calculate gain and loss percent of trade points or look up pick values. Calculate NFL trade pick values between traders. Table of NFL draft pick values in value chart. Each draft pick is assigned a point value as a reference to compare the relative value of picks in different draft rounds.
    - Odds Probability Calculator
      Convert A to B odds for winning or losing to probability percentage values for both winning and losing.
    - Password Generator
      Randomly generate passwords up to 50 characters long chosen at random from letters, numbers and other characters you select. Free online calculators.
    - Poker 5 Card Draw
      Play poker with 1 to 5 players. Basic poker rules without betting. Poker hand rankings from highest to lowest with examples.
    - Poker Hand Rankings
      Poker Hands Ranking from best to worst, with sample hands. 1. Royal Straight Flush, 2. Straight Flush, 3. Four of a Kind, 4. Full House, 5. Flush, 6. Straight, 7. Three of a Kind, 8. Two Pair, 9. One Pair, 10. High Card.
    - Yu-Gi-Oh! Calculator
      Keep running player totals for Yu Gi OH duels. This Yu-Gi-Oh score calculator can keep the score and alert when there is a winner. Yu-Gi-Oh game and other calculators online.
    - Games & Sports Calculators
      Online Sports and Games calculators. Roll Dice, NFL pick value calculator and multiplication game. Test your math skills with games. Find the missing multiple or find the missing product for any multiplication series. Includes a multiplication table for 1 through 12. Free Online Calculators, Converters and Math Games.
  - geometry-solids/16 pages
  - - Capsule Calculator
      Calculator online for a capsule. Calculate the unknown defining surface areas, side lengths, circumferences, volumes and radii of a capsule with any 2 known variables. Online calculators and formulas for a capsule and other geometry problems.
    - Circular Cylinder Calculator
      Calculator online for a circular cylinder. Calculate the unknown defining surface areas, height, circumferences, volumes and radii of a capsule with any 2 known variables. Online calculators and formulas for a cylinder and other geometry problems.
    - Cone Calculator
      Calculator online for a right circular cone. Calculate the unknown defining surface areas, heights, slant heights, volume, and radii of a cone with any 2 known variables. Online calculators and formulas for a cone and other geometry problems.
    - Conical Frustum Calculator
      Calculator online for a conical frustum. Calculate the unknown defining surface areas, heights, slant heights, circumferences, volumes and radii of a conical frustum with any 3 known variables. Online calculators and formulas for a conical frustum and other geometry problems.
    - Cube Calculator
      Cube calculator calculates surface area, side length, diagonal length, and volume with any one known variable. Online calculators and formulas for cube and other plane geometry and geometric solids problems.
    - 3D Distance Calculator
      Calculate distance of 2 points in 3 dimensional space. Shows work with distance formula and graph. Enter 2 coordinates in the X-Y-Z coordinates system to get the formula and distance of the line connecting the two points. Online distance calculator.
    - Geometric Shapes and Formulas in Solid Geometry
      Shape diagrams and formulas for geometric solids including capsule, cone, conical frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere. Diagrams of solid geometry shapes leading to specific solid geometry calculators.
    - Hemisphere Calculator
      Calculator online for a capsule. Calculate the unknown defining surface areas, height, base circumference, volumes and radii of a hemisphere with any one known variable. Online calculators and formulas for a hemisphere and other geometry problems.
    - Rectangular Prism Calculator (Cuboid)
      Calculator online for a rectangular prism. Cuboid Calculator. Calculate the unknown defining surface areas, lengths, widths, heights, and volume of a rectangular prism with any 3 known variables. Online calculators and formulas for a prism and other geometry problems.
    - Sphere Calculator
      Calculator online for a sphere. Calculate the surface areas, circumferences, volumes and radii of a sphere with any one known variables. Online calculators and formulas for a sphere and other geometry problems.
    - Square Pyramid Calculator
      Calculator online for a square pyramid. Calculate the unknown defining height, slant height, surface area, side length and volume of a square pyramid with any 2 known variables. Online calculators and formulas for a pyramid and other geometry problems.
    - Surface Area Calculator
      Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and formulas for a surface area and other geometry problems.
    - Triangular Prism Calculator
      Triangular prism calculator finds volume and surface area SA of a triangular prism with known height and side lengths. Calculate area of base, top and lateral sides.
    - Tube Calculator
      Tube calculator, hollow cylinder calculator. Calculate unknown variables for surface area, circumference, volume and radius of a tube given height and 2 known variables or given volume and 2 known variables. Online calculators and formulas for a tube and other geometry problems.
    - Volume Calculator
      Calculator online on how to calculate volume of capsule, cone, conical frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, triangular prism and sphere. Calculate volume of geometric solids. Volume formulas. Free online calculators for area, volume and surface area.
    - Solid Geometry Calculators
      Calculators online for geometric solids including calculations for capsule, cone, conical frustum, cube, cylinder, hemisphere, pyramid, rectangular prism, sphere, surface area and volume. Geometric formulas and shape diagrams.
  - discretemathematics/11 pages
  - - Circular Permutation Calculator (Pn)
      Find the circular permutation of a number. Factorial Calculator. Find the factorial n! of a number, including 0, up to 4 digits long. n! factorial calculator and examples.
    - Combination with Replacement Calculator
      Find the combination with replacement, number of ways of choosing r unordered outcomes from n possibilities as unordered samples with replacement. Combinations replacement calculator and combinations formula. Free online combinations calculator.
    - Combinations Calculator (nCr)
      Find the number of ways of choosing r unordered outcomes from n possibilities as nCr (or nCk). Combinations calculator or binomial coefficient calcator and combinations formula. Free online combinations calculator.
    - Even Permutations Calculator
      Find the even permutations for a set of n elements. n factorial divided by 2 or n! / 2. Even permutations calculator. Free online permutations calculators.
    - Factorial Calculator n!
      Factorial Calculator. Find the factorial n! of a number, including 0, up to 4 digits long. n! factorial calculator and examples. Free online factorial calculator.
    - Multifactorial Calculator n! to n!!!!!
      Multifactorial Calculator to compute the factorial n!, double factorial n!!, triple factorial n!!!, etc. of a number, including 0, up to 4 digits long.
    - Fibonacci Calculator
      This Fibonacci calculator will generate a list of Fibonacci numbers from start and end values of n. You can also calculate a single number in the Fibonacci Sequence, Fn, for any value of n up to n = -200 to +200
    - Odd Permutations Calculator
      Find the odd permutations for a set of n elements. n factorial divided by 2 or n! / 2. Odd permutations calculator. Free online permutations calculators.
    - Pascal's Triangle
      Pascal’s triangle gives probability, combinations or binomial coefficients for any expansion of (x + y)ⁿ. Generate Pascals triangle or find a single n, k entry.
    - Permutation with Replacement Calculator
      Find the number of ways of getting an ordered subset of r elements from a set of n elements as ordered samples with replacement. Permutations calculator and permutations formula. Free online permutations calculator.
    - Permutations Calculator nPr
      Find the number of ways of getting an ordered subset of r elements from a set of n elements as nPr (or nPk). Permutations calculator and permutations formula. Free online permutations calculator.
    - Discrete Mathematics Calculators
      Online mathematics calculators for factorials, odd and even permutations, combinations, replacements, nCr and nPr Calculators. Free online calculators for exponents, math, fractions, factoring, plane geometry, solid geometry, algebra, finance and trigonometry
  - construction/8 pages
  - - Concrete Calculator
      Calculate concrete volume and cost of concrete slabs, footers, walls, columns, steps, curbs and gutters in cubic feet, cubic yards and cubic meters. Calculate for quantity of items to fill for a total project need of cement in cubic feet and cubic yards. Yardage of concrete.
    - Mulch Calculator
      Mulch calculator finds how much landscaping mulch you need. Enter length and width of mulch bed and how deep you want the mulch. Calculate mulch in bulk cubic yards or how many bags of mulch you need.
    - Cubic Yards Calculator
      Calculate cubic yards, cubic feet or cubic meters for landscape material, mulch, land fill, gravel, cement, sand, containers, etc. Enter measurements in US or metric units and get volume conversions to other units. How to calculate cubic yards for rectangular, circular, annular and triangular areas. Calculate project cost based on price per cubic foot, cubic yard or cubic meter.
    - Feet and Inches Calculator
      Calculator for adding, subtracting, multiplying and dividing feet and inches using whole numbers, mixed numbers and fractions. Construction related calculator to solve problems with feet and inches calculations. Free online calculator for adding, subtracting, multiplying and dividing mixed numbers and fractions.
    - Roadway Fill Volume Calculator
      Calculate US or SI units of volume, tonnage and price of roadway fill such as clay, gravel, sand or other roadway construction materials.
    - Square Footage Calculator
      Calculate square footage, square meters, square yardage and acres for home or construction project. Calculate square feet, meters, yards and acres for flooring, carpet, or tiling projects. Enter measurements in US or metric units. How to calculate square footage for rectangular, round and bordered areas. Calculate project cost based on price per square foot, square yard or square meter.
    - Tank Volume Calculator
      Calculate capacity and fill volumes of common tank shapes for water, oil or other liquids. 7 tank types can be estimated for gallon or liter capacity and fill. How to calculate tank volumes.
    - Construction Calculators
      Online construction calculators for tank volumes and fill, concrete volume and feet-inches calculator online.
  - tools/2 pages
  - - Gas Mileage Calculator
      Calculate car miles per gallon or MPG by entering odometer readings and gallons or entering actual mileage. Calculate fuel economy in automobiles in US or Metric units. Calculate miles per US gallon (MPG US), miles per Imperial gallon (MPG Imp), kilometers per liter (km/L) or liters per 100 kilometers (L/100km). Calculator for cost per mile or kilometer. How to calculate MPG or L/100km.
    - What is my IP Address?
      Detect you computer IP address and display that IP address.
  - trigonometry/8 pages
  - - Inverse Trigonometric Function Graphs
      Inverse trigonometric function graphs for sine, cosine, tangent, cotangent, secant and cosecant as a function of values. Use online calculator for trigonometry.
    - Inverse Trigonometric Functions Calculator
      Calculate Arcsine, Arccosine, Arctangent, Arccotangent, Arcsecant and Arccosecant for values of x and get answers in degrees, ratians and pi. Graphs for inverse trigonometric functions.
    - Trigonometric Function Graphs F(x)
      Trigonometric function graphs for sine, cosine, tangent, cotangent, secant and cosecant as a function of values. Use free online calculators for trigonometry.
    - Trigonometric Function Graphs F(π)
      Trigonometric function graphs for sine, cosine, tangent, cotangent, secant and cosecant as a function of π. Use online calculators for trigonometry.
    - Trigonometric Functions Calculator ƒ(x)
      Calculate sine, cosine, tangent, cotangent, secant and cosecant for values in degrees or radians. Trigonometric or circular functions calculator for degrees or radians. Graphs of trigonometric functons.
    - Trigonometric Functions Calculator ƒ(π)
      Calculate sine, cosine, tangent, cotangent, secant and cosecant for values in pi form. Trigonometric or circular functions calculator for pi.
    - Trigonometric Ratios
      Table of trigonometric ratios in terms of side opposite, side adjacent and the hypotenuse. Online trigonometry calculators for the six trigonometric functions and inverse functions.
    - Trigonometry Calculators
      Calculators online for the six trigonometric functions and six inverse trigonometric functions. Graphs of trigonometry functions and inverse functions within principal ranges. Table of trigonometric ratios.
  - chemistry/2 pages
  - - Molecular Weight Calculator
      Calculate the molecular weight of a formula. Input the molecular formula and the weight is calculated. Also provides the atomic number, element name, base atomic weight and formula weight for the calcutated molecular formula.
    - Chemistry Calculators
      Online chemistry calculators for molecular formulas. Calculate the molecular weight of chemical formulas. Use a periodic table.
  - technology/2 pages
  - - Pixels Per Inch PPI Calculator
      PPI Calculator finds pixels per inch (PPI) and pixels per square inch (PPI^2). Calculate screen resolution and pixel density using width and height of display screen in pixels. Also find dot pitch and diagonal in pixels. Enter screen diagonal in inches or cm.
    - Technology Calculators
      Online calculators for technology, computers and digital displays. Find PPI and pixels per square inch, convert computer storage units, and convert between bits and bytes. Includes random password generator.
- help/2 pages
- - Pop-Up Calculator Widgets
    Free website pop-up calculator widgets that you can put on your own website. Online calculators for finance, math, construction and statistics.
  - Help Notes for CalculatorSoup.com
    How to use CalculatorSoup calculators, how to share our calculators, and how to find a widget version of any of our calculators for use on your own site.

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Last updated: July 23, 2024

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