Contact Us
Found a bug, or want a calculator we don't have yet? Let us know.
What to contact us about
Use the form above, or email calcrivo@gmail.com, to report a result you think is wrong, suggest a calculator, or ask a question about privacy or data. Both reach the same inbox.
If you are reporting a calculation error, include the page address, the values you entered and the result you expected, so the case can be reproduced and added to the automated tests described on the methodology page. Messages are used only to reply to you; see the privacy policy.