Privacy Policy

Last updated: 23 September 2026.

Calculator inputs

Everything you enter (date of birth, sex, country, lifestyle answers) is processed in your browser. It is not sent to our servers and not stored after you close the page.

Server logs

Our hosting provider may keep standard technical logs (IP address, browser, pages requested) for security and reliability.

Analytics, cookies and advertising

If we add analytics or advertising, they may set cookies and will collect usage data such as pages viewed. This policy will be updated before any such service is enabled, with opt-out choices where required by law.

Your rights

Contact us through the contact page about any privacy question.