Contact
Email is the fastest way to reach us: [email protected].
What to include
- Wrong result: the page address, the inputs you used (or the shared link from the “Share” button), the result you got and the result you expected, with a source if you have one.
- Calculator request: what you want to work out and what you tried elsewhere that did not help.
- Advertising or partnerships: a short description of your company and the pages you are interested in.
- Privacy requests (access, deletion, do-not-sell): see the privacy policy and Do Not Sell or Share pages.
We usually answer within three business days. Confirmed errors are corrected and the page's “Last updated” date changes when the fix goes live.
Last updated: