Last updated: 24 September 2026.
Cookies on this site
The current website does not set cookies. It does not use local storage, analytics cookies, advertising cookies or third-party embeds. Calculator values are held only in the current page and are not saved by the site.
Cookie settings
There are no optional cookies to accept, reject or configure, so this version has no cookie banner or cookie-settings control.
Future changes
If services requiring cookies are added, this policy and any necessary consent controls should be updated before those services are activated.
For information about ordinary website requests, read the Privacy Policy.