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Unit Conversion and Conversion Factors

unit conversion

A quick, free, online unit converter (unit conversion calculator) that converts common units of measurement. A unit conversion expresses the same property as a different unit of measurement.

For instance, time can be expressed in minutes instead of hours, while distance can be converted from miles to kilometers, or feet, or any other measure of length. 

unit converter Unit Conversion

To access all our converters, navigate the menu: Distance,  Temperatura, Time, Weight, Area, Speed, Volume


From Metric to U.S. Customary Measures (Approximate Conversions)

When You Know Multiply By To Find
20 m 1.09 approximately 21.8 yd

Unit conversion for  Distance,  Temperatura, Time, Weight, Area, Speed


Symbol When You Know Multiply By To Find Symbol
mm millimeter 0.04 inch in
cm centimeter 0.39 inch in
m meter 3.28 foot ft
m meter 1.09 yard yd
km kilometer 0.62 mile mi

Temperature (exact)

Symbol When You Know Calculation To Find Symbol
°C degree Celsius multiply 1.8, then add 32 degree Fahrenheit °F
K Kelvin subtract 273.15 degree Celsius °C

Mass (weight)

Symbol When You Know Multiply By To Find Symbol
g gram 0.04 ounce oz
kg kilogram 2.20 pound lb
  metric ton
(1,000 kg)
1.10 short ton  


Symbol When You Know Multiply By To Find Symbol
cm² square centimeters 0.16 square inch in²
square meter 1.20 square yard yd²
km² square kilometer 0.39 square mile mi²
ha hectare
(10,000 m2)
2.47 acre  


Press Volume Conversion to run utility

volume conversion

Volume – Unit Conversion 

Symbol When You Know Multiply By To Find Symbol
mL milliliter 0.03 fluid ounce fl oz
mL milliliter 0.06 cubic inch in³
L liter 2.11 pint, liquid pt
L liter 1.06 quart, liquid qt
L liter 0.26 gallon gal
cubic meter 35.31 cubic foot ft³
cubic meter 1.31 cubic yard yd³


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How to use the Unit Conversion calculator

Use our free online unit converters to easily convert between different units of measurement. Simply select the appropriate unit converter from the lists below

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