Privacy Policy

Last updated: July 2026

PlanMath provides free calculators to help people understand health benefits costs. This page explains what happens to your information when you use this site.

What we don't collect

Every calculator on this site runs entirely in your browser. The numbers you enter, income, premiums, deductibles, expected expenses, are never sent to a server, stored in a database, or seen by anyone. There's no account, no login, and no form that submits your data anywhere. Close the tab and everything you entered is gone.

What we do collect

This site uses standard web analytics and, once approved, Google AdSense to display ads. These services may use cookies or similar technology to:

This information is aggregate and anonymized. It is not tied to the specific numbers you enter into any calculator, since those never leave your device in the first place.

Google AdSense and cookies

If this site displays ads, Google and its partners may use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalized advertising by visiting Google's Ads Settings.

Third-party links

Some pages may link to external resources, such as Google's Ads Settings above. This policy doesn't cover those sites. Check their own privacy policies before providing any information to them.

Children's privacy

This site is not directed at children and does not knowingly collect information from anyone under 13.

Changes to this policy

If this policy changes, the update date at the top of this page will reflect that. Continued use of the site after a change means you accept the updated policy.

Contact

Questions about this policy can be sent to the contact listed on the site's GitHub repository.