Privacy Policy

Last updated November 10, 2026

All calculations on MarginMath happen in your browser. The numbers you enter are not sent to or stored on our servers.

Advertising and cookies

This site may show ads served by Google. Google and its partners use cookies to serve ads based on your visits to this and other websites. You can opt out of personalised advertising at Google Ads Settings or aboutads.info.

Analytics

We use Google Analytics to count visits and see which pages and countries they come from, and Microsoft Clarity to understand how the calculators are used, through heatmaps and anonymised session replays. Numbers you type into the calculators are masked and not recorded. Both services use cookies; Microsoft and Google process this data as described in their own privacy statements (Microsoft, Google).

Reviews

If you submit a review, the rating, name and comment you enter are stored by our host, Netlify, so we can check them. Approved reviews (rating, name and comment) are shown publicly. Your email, if you give one, is never published and is only used to reply to you.

Affiliate links

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Contact

Questions about this policy: jsafridi840@gmail.com.