Contact us

Email postmaster@calcamaze.com — we read every message.

Reporting a mistake

Please include the calculator’s name or link, the values you entered (the “Share result” link is perfect), the result you got and the result you expected. We correct confirmed errors quickly, and a corrected calculator is reviewed again before it shows the “Human verified” badge.

Suggesting a calculator

Tell us what you wanted to calculate and, if you know it, the formula or source you use.

Privacy requests

See our privacy policy for what we hold and how to exercise your rights.