Privacy Policy

Last updated: October 2026.

Dates you enter

All calculations are performed in your browser. Dates of birth, names and test dates you type are never transmitted to our servers. The "recent calculations" feature stores up to five entries in your browser's local storage on your device only; you can clear it at any time with the Clear button or by clearing your browser data.

Analytics

We may use Google Analytics to understand how many people visit the site and which pages are used. Analytics collects standard, aggregated usage data (pages viewed, approximate location, device type) and does not have access to anything you type into the calculator.

Advertising

We may display advertisements served by Google AdSense. Google and its partners may use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalised advertising at Google Ads Settings.

Cookies

The site itself sets no cookies. Third-party services named above may set their own, subject to their policies.

Contact

Questions about this policy: hello@slpagecalc.com.