On this site
The gauge calculator and history filters run in your browser. They do not send your inputs to us. The worksheet is a static download. We do not add cookies, browser storage or a personal-data form.
Hosting
Cloudflare Pages serves the site and may process request data, including IP addresses, to deliver and protect the service. See Cloudflare’s privacy policy ↗. Hosting analytics or additional scripts enabled separately by the publisher can change this notice and should be reviewed before activation.
External services
Amazon and source links take you to separate sites with their own privacy practices. Amazon links contain an affiliate tracking ID; this site does not receive your payment details. If you email info@reallybyte.com, your message and address are used to handle the enquiry.
Notice reviewed 8 October 2026.