Contact
Contact the RunCalc team to report bugs, suggest calculators, or ask questions.
Tell us what you need
Found a bug, missing a calculator, or want to suggest an improvement? Send us a note and we’ll review it.
The fastest way to contact RunCalc is by email:
What to include
- Bugs: paste the calculator URL, the values you entered, and the result you expected.
- New calculators: explain the calculation you need and include a real example.
- Content or translations: include the page and text we should review.
Privacy
You don’t need an account to use RunCalc. Calculators run in your browser and we don’t sell your data. Read more in our privacy policy.