Contact

Bug report, feature request, or a unit you wish we covered — we read every message. The form below forwards directly to our inbox via FormSubmit. You can also email us at facered79@gmail.com if you prefer.

What to expect

• We respond within a few business days.
• For accuracy bug reports, please include the input value, the source and target units, the result you got, and the result you expected (with the source you compared against).
• For privacy requests (see our Privacy Policy), please mention the applicable regulation (GDPR, CCPA, etc.) so we can respond appropriately.