Privacy policy

Last updated 2026-10-15

What we collect

Calculators run entirely in your browser; the numbers you type are never sent to us. We record an anonymous page-view count (page path and date, no cookies, no IP storage) to know which pages are useful.

Advertising

This site may show ads served by Google. Google and its partners use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising at Google Ads Settings or aboutads.info. Learn how Google uses data at policies.google.com.

Contact

Questions about this policy: contact form.