Privacy

This site does not use cookies, does not ask for your name or email, and does not track you across other websites.

Calculators

The calculators run entirely in your browser. The sizes you type are not sent to this site or stored.

Analytics

We use Plausible Analytics to count page views and anonymous events, such as using a calculator. Plausible does not use cookies and does not collect personal data.

Hosting

The site is served by Cloudflare, which processes standard technical data such as IP addresses to deliver pages and protect against abuse.

Links to other sites

Source links go to other websites, which have their own privacy policies.

Last updated September 23, 2026.