Privacy & data
Privacy & data
Updated: September 14, 2026
Your input values
All calculations run in your browser. Our calculator code does not upload your inputs or store them in an account or cloud database. Refreshing or closing the page discards the current values.
Website connections
Cloudflare Pages serves this website. To deliver content and maintain the service, the provider may process IP addresses, browser information and request logs under its privacy policy.
Basic visit statistics
Cloudflare Web Analytics measures page views, referring websites and load performance without cookies, localStorage or browser fingerprinting. Our code does not add calculator values to analytics. Page views are not unique visitor counts.
Cloudflare Web Analytics documentation
Optional Google Analytics
Only after you allow analytics do we load Google Analytics to record page views, referring websites and categories of successful calculations. Example and custom-value successes are separate. Events include the page language and path, never input values, results, URL query parameters or fragments. Google may process connection IP addresses and device information. We do not enable Google signals, ad personalization or automatic form measurement.
Your choice is stored in this site’s localStorage for up to 90 days and applies across its language versions. After consent, first-party analytics cookies have a configured 60-day lifetime. Decline or withdraw at the bottom of a page to stop new events and clear this site’s Google Analytics cookies. Previously sent data is not automatically deleted. Declining does not affect calculations.
Advertisements
This site has applied to Google AdSense and is awaiting site review. It currently loads no advertising scripts or advertising cookies. After approval, clearly labeled ad positions are planned only for eligible guide articles, with Google consent and privacy choices. Calculator, about, privacy and error pages in every language are excluded. Advertising consent is separate from analytics consent. The ads.txt publisher authorization file does not itself display ads or track browsing.
External links
Method sources link to third-party websites, which handle their own data. We do not ask you to send private files or sensitive information.