This site sets no first-party cookies. The only cookies are set by Google, for advertising and to remember your consent choice, and in some cases by Cloudflare, for security.
Which cookies are used
| Type | Set by | Purpose |
|---|---|---|
| Consent | Google (e.g. FCCDCF, FCNEC) | Remember what you chose in the privacy message. Strictly necessary. |
| Advertising | Google AdSense (e.g. __gads, __gpi, __eoi and cookies on Google domains) | Serve ads, cap their frequency, measure them, prevent fraud and, if you agree, personalise them. Only with your consent in the EEA, the UK and Switzerland. |
| Security | Cloudflare (e.g. __cf_bm) | Tell people from bots and protect the site from abuse. Strictly necessary, lasts minutes. |
Google's cookies can last up to 13 months. Google sets the exact list and durations, and they can change; see its page on advertising cookies. This site's analytics (Cloudflare Web Analytics) use no cookies.
How to change your choice
You can also delete or block cookies in your browser settings and turn off personalised ads in Google's ad settings. If you block all cookies, the calculator keeps working.
More on how your data is handled in the privacy policy.