Effective 1 October 2026
The calculator runs entirely in your browser. Your nationality, dates and other answers are not sent to us or stored on any server, and we cannot see them.
This site is hosted by Cloudflare. Like any web host, Cloudflare processes technical information such as your IP address and browser type to deliver the page and protect it from attacks. See Cloudflare's privacy policy.
We may use privacy-friendly analytics to count visits and see which pages are useful. These statistics are aggregated and are not used to identify you.
We may show ads served by Google AdSense and other advertising partners. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and other sites on the internet.
You can opt out of personalised advertising in Google Ad Settings, and learn more at How Google uses information from sites that use its services. You can also block or delete cookies in your browser settings.
The calculator links to official government sources and may link to other services. Their own privacy policies apply when you visit them.
If this policy changes, the new version will be posted on this page with a new effective date.