Privacy
Privacy policy
Effective 26 July 2026. This policy explains how the site handles general usage data.
Calculator data
Calculator inputs and results are processed in your browser. We do not require an account or submit calculator form contents to our own server.
Technical data
Hosting, security and analytics providers may process general technical data such as IP address, device, browser, pages, timestamps and performance to deliver the site, detect abuse and understand aggregate usage.
Cookies and advertising
If analytics or Google AdSense is enabled, Google and other third parties may use cookies, web beacons or IP addresses to deliver and measure advertising. Visitors in applicable regions will receive consent choices before relevant services are enabled.
Your choices
You can block or delete cookies through your browser. If advertising is enabled, this page will be updated with personalised-ad opt-out options and third-party vendor details.