Cookie policy
Essential storage
We store your cookie choice and, if you use a calculator, your inputs in your browser’s local storage so they are there when you return. These never leave your device.
Analytics cookies (optional)
Only after you click “Accept” do we load Google Analytics 4, which sets cookies named _ga and _ga_* for up to 13 months. Until then Google Consent Mode is set to “denied” and no analytics cookies are written.
Changing your choice
Use “Cookie settings” in the footer of any page, or clear this site’s data in your browser settings.
Last updated .