Privacy Policy

Effective July 2026

Calculator inputs

Everything you type into our calculators (dimensions, areas, prices, etc.) is processed entirely in your browser by JavaScript. These inputs are never transmitted to our servers, never stored, and never shared. Closing the page erases them.

Advertising

This site is supported by third-party advertising (including Google AdSense or a comparable ad network). Ad providers may use cookies and similar technologies to serve ads based on your visits to this and other sites. Google's use of advertising cookies is described at policies.google.com/technologies/ads, and you can opt out of personalized advertising at adssettings.google.com. Users in the EEA/UK/California may see a consent prompt governing these cookies.

Analytics

We may use privacy-respecting, aggregate analytics (page views, referrers, country) to understand which tools are useful. We do not build profiles of individual visitors.

Server logs

Our hosting provider records standard access logs (IP address, user agent, pages requested) for security and operations, retained briefly per the provider's policy.

Children

This site is not directed at children under 13 and we do not knowingly collect their data.

Contact

Privacy questions: contact@projectmaterialcalculator.com