Units & converters

Unit converter

Convert length, area, volume, mass, speed, energy, power, pressure and time in one tool.

Free & no registration Calculated in your browser

Your inputs

The starting values are an example.

Original value

From unit

To unit

Decimals: 12.5 · Thousands: 1,234.56. Follow the field instructions for lists.

Enter your values and select Calculate.

Your calculation will appear here.

Your result will include the relevant values and units.

Understand the calculation

Converted value = original value × source factor / target factor

100 Length · Centimetre (cm) = 1 Length · Metre (m).

Choose units of the same physical quantity. Converting a mass to a volume, for example, also requires density.
Rounding is applied only to displayed results. Very small or very large values may appear in scientific notation.