Cookies
This site sets no cookies. Not analytics cookies, not preference cookies, not advertising cookies. Page views are counted, and even that is done without one. That is why you were not shown a consent banner: there is nothing to consent to, and a banner asking permission for nothing would be theatre. Last reviewed 2026-08-25.
Why a calculator does not need them
Everything the calculator does happens in your browser while you are on the page. Nothing needs to be remembered between visits, so nothing is stored. Your inputs are gone the moment you close the tab.
But there is analytics. How, without cookies?
Because a cookie is not the only way to count a visit, just the usual one. Vercel Web Analytics stores nothing on your device: it derives a temporary identifier by hashing the incoming request, and throws it away after 24 hours. The trade is deliberate — we cannot tell whether you came back next week, and in exchange you are not carrying a marker of ours around the web. What it does record is listed in full on the privacy page.
If that changes
Anything that sets a cookie or stores an identifier on your device will be announced here and gated behind consent before it runs, not after. This page is generated from the site’s own configuration, so it cannot quietly fall out of step with reality. See also the privacy policy.