Privacy Policy

Last updated: October 2, 2026

Calculator inputs

The calculators run entirely in your browser. The numbers you type are not sent to our servers. If a calculator offers to remember your last inputs, they are stored only in your browser's local storage, and you can clear them at any time.

Hosting and analytics

This site is hosted on Cloudflare Pages. Cloudflare processes technical request data (such as IP address and browser type) to deliver and protect the site. We use Cloudflare Web Analytics to count page views. It does not use cookies and reports only aggregated statistics.

Advertising

We may show ads served by Google. Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on visits to this site and/or other sites on the Internet. You can opt out of personalized advertising in Google Ads Settings. Learn more about how Google uses information from sites that use its services. Where required by law, we will ask for your consent before ad cookies are used.

Contact

Questions about this policy: see the contact page.