Privacy Policy

Last updated: November 2026

Your numbers stay on your device

Everything you enter (height, weight, waist, body fat, and so on) is calculated in your browser. It is not sent to or stored on our servers. Your unit choice (US or metric) may be remembered in your browser's local storage for convenience.

Hosting and basic logs

This site is hosted by Cloudflare, which may process standard technical data (such as IP address and browser type) to deliver and protect the site.

Analytics and advertising

We may use privacy-friendly analytics to count visits, and may show ads from third-party providers such as Google. These providers may use cookies to serve ads based on your visits to this and other websites. You can manage ad personalization at Google Ad Settings.

Contact

Questions? Email [email protected].