Convert between units

Length, mass, volume, temperature, data and speed, with the arithmetic done exactly.

The number to convert.

A unit such as km, kg, c or gib.

A unit of the same kind — converting mass to length is refused.

Options

Decimal places in the result.

0 to 15

1 credit

Needs Value and From and To.

Doing this a lot?

Same tool, as an API.

This page calls exactly the same code you would from your own program — no daily cap, 1 credit per call. See the endpoint reference.