This policy explains what information Gravel Calculator Online ("we") collects when you use https://gravelcalculatoronline.com.
Information you enter
Measurements entered in our calculators are processed in your browser and are not sent to or stored on our servers.
Analytics and hosting
The site is hosted on Cloudflare, which may process technical data such as IP address and browser type to deliver and protect the site. We may use privacy-friendly analytics to count visits.
Advertising and cookies
We may show ads from Google AdSense or other partners. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits. You can opt out of personalized advertising at Google Ads Settings or aboutads.info.
Your choices
You can block or delete cookies in your browser settings. Visitors in the EEA, UK and California may have additional rights to access or delete personal data; contact us to make a request.
Children
This site is not directed at children under 13.
Contact
Questions about this policy: contact@gravelcalculatoronline.com
Last updated: November 8, 2026