Cookies and privacy preferences

The calculators work without analytics or advertising cookies. Optional services are disabled by default and do not become necessary merely because they help fund the website.

Last reviewed: · Methodology

Necessary operation

Essential processing supports page delivery, contact protection and, when enabled, remembering your privacy choice. A configured consent platform may need storage to record that choice. Calculator values are not saved as a personal history. The operator must maintain an accurate inventory of actual cookies, providers and durations when changing the production configuration.

Analytics, advertising and third parties

Google Analytics and AdSense are optional integrations. Their scripts wait for the relevant explicit consent signals in this application. Before advertising in the EEA, United Kingdom or Switzerland, the operator must activate and test a Google-certified consent platform integrated with the applicable IAB Transparency and Consent Framework. The small preferences fallback is informational, not a replacement for that platform.

Change your choice

Use the permanent privacy-preferences button to revisit the configured consent message. Rejecting optional purposes leaves the calculators available. Withdrawing consent stops new optional activity and may reload the page, so first note any result you need. Browser controls can also remove stored cookies; this can reset choices and does not automatically erase data previously received by external providers.

Cookie preferences

Optional tracking is off. Only essential functions are active.