Privacy Policy

Last updated 2026-10-21.

What We Collect

We do not ask you to create an account. If you email us, we keep your message to reply. We may use privacy-friendly analytics to count visits and understand which pages help readers.

Cookies and Ads

If we show ads, our ad partners (such as Google) may use cookies to serve ads based on your visits to this and other sites. You can opt out of personalized advertising at Google Ads Settings.

Tools

Our calculators run in your browser; we do not store what you enter.

Contact

Questions: [email protected].