Privacy policy
Last updated: 1 November 2026
Using the site
Values you enter into the calculators are processed only in your browser. They are not sent to us or stored. Your cookie choice is saved in your browser's local storage.
Statistics and cookies
We use Google Analytics 4 to see which pages are useful. Analytics cookies are switched on only if you choose “Accept” in the cookie banner (Google Consent Mode). If you decline, no cookies are set; Google may receive only cookieless signals without identifiers. We do not use advertising cookies at the moment. To change your choice, clear this site's data in your browser and the banner will appear again.
How Google uses data: policies.google.com/technologies/partner-sites
Images
Images are loaded from Wikimedia Commons. Wikimedia may process technical data such as your IP address when serving them.
Hosting
The site is hosted on Cloudflare, which may briefly process technical logs such as IP addresses for security and to run the service.
If you email us, we use your address and message only to reply, and we do not share them with anyone.
Your rights
For requests under the GDPR or Türkiye's KVKK (Law No. 6698), such as access, correction or deletion, write to [email protected].