Cookie policy

The calculators don’t need cookies. We use your browser’s local storage (not cookies) for preferences and anything you choose to save — see the privacy policy for the exact keys.

Advertising cookies

No advertising runs at the moment, so no advertising cookies are set. If ads are introduced, you will be asked for consent first, with equal “Accept” and “Reject” options.

Strictly necessary

Cloudflare may set strictly necessary security cookies to protect the site from abuse; these don’t track you for advertising.