Contact us

Found a bug? Have a suggestion? Want a new calculator? We read every message and typically respond within 24–48 hours.

Bug reports
Found a calculation error or a broken feature? Let us know the calculator name, what you entered, and what went wrong. We fix bugs fast.
Calculator requests
Need a calculator we don’t have yet? Tell us what it should calculate and we’ll consider adding it to the site.
Accuracy concerns
Think a result is wrong? Let us know the inputs and expected output. We take accuracy seriously and will investigate immediately.
General feedback
Like the site? Hate the design? Want a feature? All feedback helps us improve. We appreciate hearing from real users.
Your message will be sent via email. We typically respond within 24–48 hours.

Other ways to reach us

Email: contact@free-calculators.net

For privacy-related inquiries, please mention “Privacy” in the subject line and we’ll prioritise your request.

Response times

We aim to respond to all messages within 24–48 hours on business days. Bug reports and accuracy concerns are prioritised. Calculator requests are reviewed weekly and added based on demand and feasibility.