Contact Us

Have a question, found a bug, or want to work with us? Here is how to reach us.

Use the Feedback button on any calculator page to rate and leave comments.

Want a calculator on your site? Use the Embed button on any calculator page.

For partnerships, advertising, or other questions, email us at hello@buildcalc.site.

Missing a Calculator?

We are always adding new tools. If you need a calculator we do not have yet, let us know and we will prioritize it.