Contact

Found a conversion that looks wrong, or want a tool that isn't here yet? Get in touch.

Email

Prefer email? Send your feedback, bug reports, or tool requests to:

Send feedback by email

We read every message. An unanswered contact page damages trust more than having no contact page at all, so replies may take a day or two.

Reporting a conversion error

To fix a bug quickly, it helps to include:

That is usually enough to reproduce and fix it within a day or two.

Suggesting a new tool

Tool requests are welcome. The most useful suggestions describe the real situation where the conversion was needed — for example "I need to work out delay times in milliseconds from a track's BPM" — rather than just naming a unit pair.

Last updated: August 31, 2026