Conversion Calculator
Quickly convert between popular units
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Conversion Calculator
Use this Conversion Calculator to convert between commonly used units. Select the current unit in the left column, the desired unit in the right column, and enter a value to generate the resulting conversion.
Different Systems of Units
Many systems of units have been used throughout history. The International System of Units (SI) is now the most widely used, though United States customary units are still prevalent in everyday use in the U.S.