Last updated 30 October 2026.
The calculator
Everything you type into the calculator stays in your browser. It isn't sent to us or stored anywhere.
Contact form
If you send a message through the contact page, we get your name, email address and message so we can reply. The form is run by our hosting provider, Netlify. We keep messages only as long as needed to deal with them, and you can ask us to delete yours at any time through the contact page.
Cookies
The site doesn't set any cookies of its own. Fonts are loaded from Google Fonts, which receives your IP address to deliver them.
Advertising
We may show ads from Google AdSense to keep the site free. If we do, you'll be asked for consent before any advertising cookies are used, and you can change your choice at any time. Google's use of advertising data is explained at policies.google.com/technologies/ads.
Your rights
Under GDPR you can ask to see, correct or delete any personal data we hold about you. Contact us through the contact page. You can also complain to the Data Protection Commission at dataprotection.ie.