Privacy

Last updated October 28, 2026.

What you type

Every calculator runs in your browser. Age, weight, height, body fat, activities and results are never sent to our servers. To save you retyping, the last values you entered are kept in your browser's local storage on your own device. You can clear them at any time by clearing this site's data in your browser settings.

Server logs

Like any website, our hosting provider records standard request logs (IP address, page requested, browser type, time) to deliver pages and protect against abuse. We do not use them to identify you or combine them with other data.

Cookies and tracking

We do not set advertising cookies, use tracking pixels or sell data. Fonts are loaded from Google Fonts, which receives the request for the font files under Google's own privacy policy.

Children

The calculators are designed for adults (18+). We do not knowingly collect information from children.

Changes

If this policy changes, the date at the top of this page will change with it.