Privacy Policy

Datenschutzerklärung · Last updated: date

The short version

• The calculator runs entirely in your browser. Your age, weight, height and results are never sent to us.
• We don't use tracking cookies or analytics right now.
• Our fonts are hosted on our own server, so no data goes to Google Fonts.

1. Who is responsible

The controller under the GDPR is:
Name, address and email, same as in the Impressum

2. Hosting

This site is hosted by Vercel Inc., 440 N Barranca Ave #4133, Covina, CA 91723, USA. When you visit, Vercel processes technical data such as your IP address, browser type and the time of your visit to deliver the site and keep it secure. The legal basis is our legitimate interest in running a secure, working website (Art. 6(1)(f) GDPR). Transfers to the US rely on the EU-US Data Privacy Framework and/or Standard Contractual Clauses. Confirm Vercel's current DPA and transfer basis.

3. The calculator

All calculations happen locally on your device. We store only your preferred unit setting (imperial or metric) in your browser's local storage so the calculator remembers it. You can clear it anytime in your browser settings.

4. Embedded videos

Some guides include YouTube videos in privacy-enhanced mode (youtube-nocookie.com). YouTube (Google Ireland Limited) may process data such as your IP address once you load or play a video. See Google's privacy policy for details.

5. Contact by email

If you email us, we use your message only to reply. We delete it once it's no longer needed.

6. Your rights

You have the right to access, correct, delete or restrict processing of your data, to data portability and to object to processing. You can also complain to a data protection authority, for example the Landesbeauftragte für den Datenschutz und die Informationsfreiheit Baden-Württemberg.

7. Changes

We'll update this policy when we add features such as analytics, ads or accounts.