Privacy policy

Last updated October 2026.

What we collect

Nothing you type into a calculator leaves your browser. The calculators run entirely on your device. We remember the state you picked in your browser's local storage so the next page opens on it; you can clear it by clearing site data.

Advertising and analytics

We 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 personalized advertising at Google's Ads Settings page (adssettings.google.com) or at aboutads.info. We may use privacy-friendly analytics that count visits without identifying you.

Referral links

Some buttons link to quote services that may pay us a fee. Information you give those services is covered by their privacy policies.