Privacy Policy

Information We Collect

Calculator Data

When you use our calculators, all calculations are performed in your browser. We do not collect, store, or transmit the personal health information you enter into our calculators. Your data remains on your device.

Analytics Data

We use Google Analytics to understand how visitors use our site. This includes:

• Pages visited and time spent on site
• Browser type and device information
• General location (city/country level)
• How you arrived at our site (referral source)
• Which calculators are used most frequently

Google Analytics uses cookies and similar technologies. No personally identifiable information is collected in our analytics.

Advertising

We display ads through Google AdSense. Google may use cookies to show ads based on your prior visits to our site or other sites. You can opt out of personalized advertising by visiting Google Ads Settings.

How We Use Information

We use the information we collect to:

• Improve our website and calculators
• Understand which calculators are most useful
• Analyze site performance and fix issues
• Display relevant advertisements
• Comply with legal obligations

Cookies

Cookies are small text files stored on your device. We and our third-party partners use cookies for:

• Analytics (Google Analytics)
• Advertising (Google AdSense)
• Site functionality

You can control cookies through your browser settings. Note that disabling cookies may affect site functionality.

Data Security

Since your calculator inputs are processed entirely in your browser and never sent to our servers, your personal health data is inherently secure. We do not have access to the values you enter in our calculators.

For any data we do collect (analytics), we use industry-standard practices to protect it from unauthorized access or disclosure.

Third-Party Services

We use third-party services that may collect information:

• Google Analytics: Privacy Policy
• Google AdSense: Privacy Policy

These services have their own privacy policies. We encourage you to review them.

Children's Privacy

Our website is not intended for children under 13. We do not knowingly collect information from children under 13. If you believe we have collected information from a child under 13, please contact us.

Your Rights

You have the right to:

• Access information we have about you (which is minimal)
• Request deletion of any data we hold
• Opt out of analytics tracking using browser settings or extensions
• Opt out of personalized advertising
• Disable cookies through your browser

International Users

Our website is hosted in the United States. If you access our site from outside the US, your information may be transferred to, stored, and processed in the US. By using our site, you consent to this transfer.

Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated effective date. Continued use of our site after changes constitutes acceptance of the updated policy.

Contact Us

If you have questions about this Privacy Policy or how we handle your information, please contact us.