Privacy policy

The calculators run on our server when you submit the form. The numbers you enter appear in the page address so that you can bookmark or share a result; we do not store them in a database or link them to you. Our server keeps standard access logs (IP address, page, time and browser) for security and to count visits; these logs are deleted on a rolling basis.

If you write to us through the contact form, we keep your name, email address and message so we can reply. We do not sell or share this information.

We do not use advertising cookies at this time. If that changes, this page will say so before it happens.

Questions about privacy can be sent through the contact form.