Privacy policy

Last updated 02 September 2026.

What the calculators do with your input

Every calculator on this site runs entirely in your browser. The weights, ages and scores you type are never transmitted anywhere, are not written to storage, and are gone when you close the tab. There is no account system and no newsletter.

Server logs

This site is served by a static hosting provider which keeps standard access logs (IP address, user agent, requested page, timestamp) for security and abuse prevention. We do not combine those logs with anything else or use them to identify individuals.

Advertising cookies

This site may display advertising. In that case:

• Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites.
• Google's use of advertising cookies enables it and its partners to serve ads to you based on your visit to this site and/or other sites on the Internet.
• You may opt out of personalised advertising by visiting Google Ads Settings.
• Alternatively, you can opt out of a third-party vendor's use of cookies for personalised advertising by visiting aboutads.info.

Children

This site is not directed at children under 13 and does not knowingly collect any information from them.

Changes

Any change to this policy will be posted on this page with a new date at the top. Questions about it can go to the address on the contact page.