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Privacy Policy

Last updated: July 2026

Your calculations stay on your device. Every calculator on this site runs entirely in your browser. The numbers you type are never transmitted to, seen by, or stored on our servers.

Advertising. This site may display ads served by Google AdSense. Google and its partners may use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalized advertising at Google Ads Settings.

Analytics. We may use privacy-respecting analytics to count page views and understand which calculators are most useful. No personally identifying information is collected.

No advice. All calculators are for education and estimation only and do not constitute financial, tax, investment, or legal advice. Consult a qualified professional for decisions about your specific situation.