Privacy policy

Last updated: October 2026.

Your calculations stay with you

Every HOD Calc calculator runs in your browser. The values you type are never sent to or stored on our servers.

Advertising and cookies

The site is funded by ads served through Google AdSense. Google and its partners may use cookies to show ads, measure them and, if you agree, personalise them based on your visits to this and other sites. A consent message lets you accept or refuse these cookies, and you can change your choice at any time from its “Privacy” link.

Learn how Google uses data: policies.google.com/technologies/partner-sites. You can turn off personalised ads at adssettings.google.com.

Your rights

Under the GDPR you can ask to access, correct or delete your data by writing to contact@hod-group.com.