Privacy Policy
Last updated: June 2026
Information We Collect
CalcHub is a free, client-side calculator platform. We do not require you to create an account or provide personal information to use our calculators.
We may collect anonymous usage data through Google Analytics to understand how our tools are used and to improve the experience.
Cookies and Local Storage
We use browser localStorage to save your preferences (such as language and theme settings). No personal data is stored server-side.
Google AdSense
We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your prior visits to our site or other sites. You can opt out of personalized advertising at google.com/settings/ads.
Third-Party Services
Currency exchange rates are fetched from open.er-api.com. No personal data is transmitted to this service.
Contact
If you have questions about this Privacy Policy, please use our contact form.