What data do we collect?
This calculator stores no personal data. All calculations are performed locally in your browser. No data is sent to a server.
Local storage
The tool uses localStorage to save your language preference (NL/EN).
You can clear this at any time via your browser settings.
URL parameters
Your configuration is saved in the URL hash (after the # sign). This is not sent to a server but stays local in your browser. If you share a link, you also share your configuration.
Google AdSense and consent
This website uses Google AdSense to display advertisements. Google may use cookies to personalize ads based on your visits to this or other websites.
For visitors from the EEA and the UK we ask for consent through Google's consent management platform (a Google-certified CMP under the IAB Transparency & Consent Framework, TCF). On your first visit you can give or refuse consent; without consent no personalized ads are shown. You can change your choice at any time via the "Privacy settings" link at the bottom of every page. You can additionally manage personalized advertising at Google Ad Settings; see also Google's privacy policy.
Cookies
This website uses the following types of cookies:
Your rights (GDPR)
Since we do not store personal data, most GDPR rights do not apply. For questions about Google cookies, see the Google Privacy FAQ.
Contact
For questions about this privacy policy, please contact us via the email listed on the About page.
Last updated: June 2026