Contact

The fastest way to reach us is by email: hello@centexact.com.

Reporting an error

Please include the address of the calculator (copy the link with Copy link to this result so your inputs come with it), what you expected, and where the expected figure came from: a lender's statement, an official table, another calculator. We reply to every correction and update the page's review date once it is fixed.

Requesting a calculator

Tell us what you are trying to work out and, if you have one, a source for the formula or rules. Requests that many people share move up the list.

Advertising and partnerships

CentExact does not run sponsored calculators or paid placements, and we do not sell user data. General advertising is handled through Google AdSense.

Response time

We are a small team; expect a reply within a few working days.