Privacy Policy

The measurements you type into the calculators are used only in your browser to work out a result. Nothing is transmitted to us, logged or stored on a server.

This site uses Google AdSense to display advertising. Google and its partners may use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalised advertising at Google Ads Settings. When advertising is enabled, EU and UK visitors are shown a consent message before any personalised ads are served. Some pages may contain affiliate links to retailers such as Amazon, which pay us a small commission on qualifying purchases at no extra cost to you.

We do not set cookies ourselves. Aggregate, cookie-free traffic counts may be provided by our hosting provider. No personally identifiable information is collected by us.