Privacy and cookies

Last updated: 28 September 2026

Your calculations stay on your device

Every calculation runs in your browser. The numbers you type are not sent to our servers or stored.

Cookies

This site doesn't set its own cookies. If we add analytics or advertising, we'll update this page and ask for your consent where UK GDPR and PECR require it.

Third-party services

We load web fonts from Google Fonts, which receives your IP address to deliver the font files.

Contact

Questions about privacy? Email hello@example.co.uk. You can also complain to the Information Commissioner's Office (ico.org.uk).