Privacy Policy

Last updated: August 30, 2026

The short version

All calculations on CalcHub run entirely in your browser. The numbers you type into any calculator are never sent to our servers, stored, or shared. We do not require accounts and do not collect personal information to use the site.

Data we process

• Calculator inputs: processed locally on your device only. They never leave your browser.
• Server logs: like most websites, our hosting provider records standard technical data (IP address, browser type, pages requested) for security and reliability. These logs are retained briefly and not used to identify you.

Advertising and cookies

CalcHub is supported by advertising. We use Google AdSense to display ads. Google and its partners may use cookies and similar technologies to serve ads based on your prior visits to this or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and other sites on the Internet.

You may opt out of personalized advertising by visiting Google Ads Settings, and learn more about how Google uses data at policies.google.com/technologies/partner-sites. Visitors in the European Economic Area and the UK are shown a consent message before any advertising cookies are set.

Analytics

We may use privacy-respecting, aggregate analytics to understand which calculators are most useful. Analytics data is aggregated and cannot be used to identify individual visitors.

Children's privacy

The site is a general-audience reference tool and does not knowingly collect personal information from anyone, including children under 13.

Changes and contact

We will update this page if our practices change, with the date above revised accordingly. Questions? See the contact page for how to reach us.