What can I help with?
Pointing you to the right place gets you a faster answer. Anything that doesn't fit below — just use the button above.
Spotted an error in a calculator?
We log every factual fix publicly. See what's already been corrected — and report a new one — on the corrections page.
Privacy or your data
For website data, see the Privacy Policy. For the Android app — including how to access, export, or delete your account data — see the App Privacy Policy, which has a dedicated contact button for data requests.
App feature request
Using the Calculator Dude Android app? The quickest way to suggest a new calculator or feature is in-app, where you can submit a request tied to your account so we can follow up. You're also welcome to email the idea below.
General questions
Still want to reach out?
Email is the best way to get me. I read everything and aim to reply within a few days.