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 the referring website.
Provided by you: information you submit through our contact form (name, email, message) and cookie preferences.
Calculator inputs are processed to return a result and may be reflected in a shareable URL you choose to copy; we do not require accounts and do not ask for tax IDs.
How We Use Your Information
- To provide and improve our calculation tools
- To analyze website traffic and usage
- To respond to feedback where possible
- 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) and Google AdSense (advertising, when active), service providers who help operate the site, and legal authorities when required by law.
Cookies
We use essential cookies (required for site functionality), analytics cookies (optional), and advertising cookies (optional). You can manage non-essential cookies via our cookie banner and your browser settings. See the cookie controls at the bottom of any page.
GDPR Rights (EU users)
You have the right to access, correct, delete, or port your data, to object to processing, and to 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 (we do not sell personal information), to opt out of any sale, to access your data, and to equal service whether or not you exercise these rights.
Children's Privacy (COPPA)
This website is not directed at children under 13, and we do not knowingly collect personal information from children under 13. If you believe we have, please contact us.
Data Retention
- Contact form submissions: up to 6 months
- Analytics data: per Google Analytics defaults (up to 26 months)
- Server logs: up to 90 days
Security
We use reasonable safeguards including HTTPS and access controls. No method of transmission over the internet is 100% secure.
Changes to This Policy
We may update this policy. The "Last Updated" date above reflects the latest revision.
Contact
Questions about this policy? Use our Contact page.