Privacy policy
What you enter into a calculator never leaves your device. We never receive, store or see it.
Visit statistics
We use Cloudflare Web Analytics to count page visits. It doesn't use cookies, doesn't track you across websites, and never sees what you enter.
Advertising and cookies
We show ads from Google AdSense, labelled "Advertisement". Google and its partners may use cookies to show ads based on your visits to this and other websites. Visitors in the European Economic Area, the UK and Switzerland are asked for consent first. You can turn off personalised ads in Google's ad settings.
Tips
If you leave a tip, you pay on Stripe's own secure page. We never see your card details. See Stripe's privacy policy.