Privacy Policy
Last updated: June 21, 2026
Calculator data
All calculations on OnlineCals are performed locally in your browser. We do not collect, store, or transmit any of the values you enter into our calculators.
Cookies and advertising
This site uses Google AdSense to display advertisements. Google and its partners may use cookies and similar technologies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google's Ads Settings.
Analytics
We use Google Analytics to understand how visitors use this site in aggregate. This data is anonymized and used only to improve our content and calculators.
Third-party links
Our site may contain links to third-party websites. We are not responsible for the privacy practices of those sites.
Contact
If you have questions about this privacy policy, contact us at hello@onlinecals.com.