Privacy Policy
Last Updated: May 19, 2026
Information We Collect
Automatically collected: IP address, browser type and version, device information, pages visited and time spent, and referring website.
Provided by you: Information you submit through our contact form (name, email, message) and cookie preferences.
Calculator inputs are processed in your browser and are not transmitted to or stored on our servers.
How We Use Your Information
- To provide and improve our calculation tools
- To analyze website traffic and user behavior
- To respond to feedback (when applicable)
- To prevent fraud and ensure security
Information Sharing
We do not sell, trade, or rent your personal information. We may share information with Google Analytics (traffic analysis), Google AdSense (advertising, when active), service providers who help operate this site, and legal authorities when required by law.
Cookies
We use cookies for essential site functionality (required), analytics (optional), and advertising (optional). You can manage non-essential cookies via our consent banner and your browser settings. Some features may not work if cookies are disabled.
GDPR Rights (EU Users)
You have the right to access, correct, delete, or port your data, object to processing, and lodge a complaint with a supervisory authority. Contact us to exercise these rights.
CCPA Rights (California Users)
You have the right to know what personal information is collected, whether it is sold or disclosed and to whom, to opt out of any sale, to access your information, and to equal service regardless of exercising these rights. We do not sell personal information.
Children's Privacy (COPPA)
This website is not directed at children under 13, and we do not knowingly collect personal information from them. If you believe we have, please contact us.
Data Retention
- Contact form submissions: 6 months
- Analytics data: 26 months (Google Analytics default)
- Server logs: 90 days
Security
We use reasonable measures including HTTPS encryption, regular updates, and access controls. No method of internet transmission is 100% secure.
Changes to This Policy
We may update this policy. The "Last Updated" date above reflects the latest revision.
Contact
Questions? Use our Contact page.