Privacy and advertising

Effective November 2, 2026.

Your measurements

The calculator processes entries in this browser. Its code does not save your measurements or send them to the publisher. When you email us, the publisher receives the address and information you choose to send.

Hosting and advertising

Cloudflare delivers the pages and may process technical information such as IP addresses to deliver and secure the site. Google AdSense and its advertising partners may use cookies, web beacons, IP addresses and other identifiers to serve and measure ads. Google may use visits to this and other sites to personalize advertising, depending on your region and choices.

You can review how Google uses data on partner sites, change preferences in Google My Ad Center, or manage cookies in your browser. Where provided, use the privacy choices control on this site to change consent. See also Cloudflare’s privacy policy.

Contact

Email the publisher for questions about this site’s handling of information.