Contact Us
We'd genuinely love to hear from you. Whether you've spotted a problem, have a suggestion, or would like us to build a calculator we don't offer yet, get in touch.
Send us a message
Prefer email?
Either way, we read every message and aim to reply within 2–3 business days.
What to include
- Feedback or bugs — tell us which calculator and what you expected vs. what you saw.
- Calculator requests — describe the calculation you need and we'll consider adding it.
- Partnership / advertising — let us know a little about your proposal.
For how we handle any information you send us, please see our Privacy Policy.