Cookies
No cookies are set. Google Analytics loads with storage denied by default and there is no consent banner to change that, so it measures visits without writing a cookie or storing an identifier.
Cookies in use
On an ordinary visit, none. The calculators run in your browser and store nothing. Google Analytics loads on every page, but Consent Mode denies analytics and advertising storage by default and there is no banner that can change that — so it measures visits without writing a cookie or storing an identifier for you. There is one exception, described below rather than passed over in silence: the gr_int flag, which is written only if you deliberately open a page with ?internal=1 appended.
Excluding our own visits
One exception, named here rather than passed over in silence: on every page view the measurement code checks whether the gr_int flag is present in your browser. That is our own exclusion for internal visits, so that our test traffic does not end up in the figures. It is written only when a page is opened with ?internal=1 appended — as a cookie with a lifetime of one year, and additionally in local storage. Without that, nothing is written, and nothing on this site links to it. It holds a single flag and nothing about you. You delete it by clearing this site’s data in your browser.
Requests this site makes
The one request that leaves this domain is the Google Analytics tag (G-07EGF6N0Y9), loaded from googletagmanager.com. Fonts and images are served from this domain. There is no advertising tag.
Last updated: Aug 2026.