Cookie policy

Last updated 17 Oct 2026

Cookies are small files saved by your browser. We only use the non-essential ones if you agree, and you can change your mind at any time with "Cookie settings" at the bottom of every page. Saying no doesn't stop any calculator from working.

Type	What for	Who	How long
Essential	Remembers your cookie choices and saved results (stored in your browser)	Us	Until you clear it, or 12 months for your cookie choice
Advertising	Shows and measures Google ads	Google	Up to 13 months
Partner links	Records that you came from us, if you click a Sponsored link	The partner or its network	Set by them, usually 30 to 90 days

We ask again every 12 months, or sooner if we add a new kind of cookie.