Contact

Found a conversion that looks wrong, or a unit that is missing? Email [email protected].

Reporting a wrong conversion

It helps to include:

• the address of the page you were on,
• the value you entered and the result you saw,
• the result you expected, and a source for it if you have one.

Suggesting a unit

Tell us the unit's name and what it is used for. If there is more than one definition in use, say which one you mean.