Quickly translate units for science, engineering, construction, and everyday measurements.
Overview
Unit conversion prevents costly mistakes when combining values from different measurement systems.
This calculator supports broad unit families in one place for convenience.
Always verify significant figures when converting for technical reporting.
Steps
Select length, mass, volume, temperature, and more.
Input numeric amount to convert.
Define original and destination unit systems.
Apply unit conversion factor or equation.
Round output to needed decimal places.
Math
Converted Value = Input Value * Conversion Factor
Most conversions use multiplicative factors, while temperature may require affine equations.
Worked cases
10*2.54
25.4 cm
5*2.20462
11.023 lb
(86-32)*5/9
30 C
Why use this
Questions