Privacy

The calculators run in your browser. The numbers you type into them are not sent to this site.

Hosting and visitor statistics

This site is hosted by Cloudflare. Like any web host, Cloudflare processes technical data about visitors, such as IP address, browser type and the pages requested, in order to deliver the pages. Cloudflare may also produce traffic and performance statistics for the site, and I use any such statistics only to see how the site is used overall. See Cloudflare's privacy policy for how it handles that data.

Your unit preference

Your choice of US or metric units is saved in your browser's local storage, on your own device, so it is remembered next time. You can clear it from your browser settings.

Accounts and cookies

This site has no accounts and does not ask for personal information. It does not set its own cookies.

Contact

If you email the address on the Contact page, I will see your email address and message, and will use them only to reply.

Changes

This policy will be updated before any advertising is added, and it will say what the advertising services collect.