Contact us
Corrections, requests and questions all go to the same inbox.
The quickest way to reach us is hello@calculane.com. We read everything and reply to most messages within a few working days.
Found a mistake?
Please tell us. Accuracy is the whole point of this site, so corrections go to the front of the queue. It helps enormously if you include:
- which calculator you were using
- the exact numbers you entered
- the result you got, and the result you expected
Requesting a calculator
If there's a calculation you keep doing by hand, tell us about it. Requests genuinely shape what gets built next.
Business and press
For advertising, partnership or press enquiries, use the same address with "Business" in the subject line.
Postal address
WadihFree OÜ
Estonia
We can't give personalised financial, medical, legal or tax advice by email. For anything specific to your situation, please speak to a qualified professional.