Conversion Calculators
Conversion calculators can help you convert one unit of measurement or value into another. These systems of measurement include SI (International System of Units), U.S. customary units, and some British measurement units.
Our conversion calculators are useful in science, engineering, finance, and everyday life when converting between different systems of unit measurement. Use unit conversion calculators to convert between measurements of length, weight, volume, temperature, currency, and more. You can also convert between decimal, percent and fractions, as well as numbers to words with our conversion calculators.
Unit Conversions
Decimal Degrees to Degrees Minutes Seconds
Meters to Feet (m to ft and in)
Area
Acres to Square Feet | ac to ft2
Square Feet to Acres | ft2 to ac
Square Feet to Square Meters | ft2 to m2
Square Meters to Square Feet | m2 to ft2
Length or Distance
Centimeters to Inches | cm to in
Decimals, Fractions & Percents
Time Conversions
Temperature Converters
Celsius to Fahrenheit | °C to °F
Fahrenheit to Celsius | °F to °C
Fahrenheit to Kelvin | °F to K
Fahrenheit to Rankine | °F to °R
Kelvin to Fahrenheit | K to °F
Other Types of Conversions
Common examples of unit conversion include length or distance where you might want to convert measurements from miles to kilometers, feet to meters, or inches to centimeters. Temperature unit conversion converts temperatures between Fahrenheit, Celsius, and Kelvin scales. When dealing with international finance our currency conversion calculators convert monetary amounts from one currency to another given the current published exchange rates.
While our conversion calculators do the mathematical conversions behind the scenes, you can read more on our calculator pages about how to do unit conversions. Typically you will multiply or divide a unit by a numerical unit conversion factor and round off resulting decimals as appropriate. We also provide charts of unit conversion factors where possible.