Cookie policy

What cookies are

Cookies are small text files a browser stores on your device. This site uses them so the pages work correctly and so advertising can be shown.

Which cookies we use

• Necessary — needed for basic operation. The site has no user accounts, so there are no sign-in cookies.
• Preferences — your chosen language, and your chosen measurement units in local storage. Both stay on your device.
• Analytics — set by Google Analytics 4 (_ga, _ga_*) to count visits and tell a returning reader from a new one. Default lifetime: 2 years.
• Advertising — set by Google AdSense and its partners to select and measure advertising.

Google AdSense

This site shows Google AdSense advertising. As a third-party vendor, Google may use cookies to serve ads based on your previous visits to this and other websites.

How Google uses this data is described in Google's policy for partner sites. You can turn off ad personalisation in Google ad settings.

Google Analytics

Visit statistics are collected with Google Analytics 4. You can block this with the browser add-on from Google, or by blocking analytics cookies.

Managing cookies

You can delete or block cookies at any time in your browser settings. Blocking advertising cookies does not affect the calculator or your access to the content.

Personal data

The site has no registration and stores no personal data in its own systems. There are no registration or sign-in forms and no social media plugins. The full description of processing is in the privacy policy.

Contact

Questions about privacy: contact page.