Contact

Found a number that looks wrong? That's the most valuable email you can send — please include the tool, the inputs, and what you expected.

Also welcome: suggestions for new calculators, reference data you wish existed, and notes from the floor.

Email: [email protected]

If the address above doesn't display (some browsers with scripts disabled), it's: bradleygtaylor98 at gmail dot com.

This is a one person side project, run by Bradley Taylor, who is also the data controller for the site's privacy policy. Replies may take a few days, but corrections get looked at first.