Privacy

Last reviewed: November 2, 2026.

Calculator entries

Your measurements, prices, and results are calculated in your browser. They are not sent to this site or to anyone else, and they are not saved. Reloading the page clears them.

Cookies, analytics, and ads

This site sets no cookies and has no analytics or advertising. If that changes, this page will be updated first, and you will be offered any choices the law requires.

Hosting

This site is hosted by Hostinger. Like most web hosts, it keeps access logs in order to deliver pages, run the service, and protect against abuse. A log entry can include the time, your IP address, the page requested, and your device type and country, worked out from your browser details and IP address. Your calculator entries are not part of these logs.

If you contact us

If you email, we receive your address and your message, and we use them only to reply.

Links to other sites

Links to other sites are covered by those sites' own privacy policies.