Privacy Policy

1. Information We Collect

1.1 Information You Provide

We may collect information that you voluntarily provide when using our Service, including:

• Calculator Inputs: Height, weight, age, gender, and activity level entered into our calculators (processed locally in your browser when possible)
• Contact Information: Email address and name if you contact us through our contact form
• Feedback: Any feedback, comments, or suggestions you provide

1.2 Information Automatically Collected

When you visit our website, we may automatically collect certain information about your device and usage, including:

• Device Information: Browser type, operating system, device type, screen resolution
• Usage Data: Pages visited, time spent on pages, click patterns, referring website
• Location Data: Country and region based on IP address (not precise location)
• Log Data: IP address, access times, browser information

1.3 Information We Do NOT Collect

We do NOT collect or store:

• Personally identifiable health records
• Social Security numbers or government IDs
• Financial information or credit card numbers
• Precise geolocation data
• Biometric data

2. Cookies and Tracking Technologies

2.1 Types of Cookies We Use

2.2 Third-Party Tracking

We may use third-party services that collect information for analytics and advertising purposes:

• Google Analytics: For understanding website usage patterns
• Google AdSense: May display personalized advertisements

2.3 Managing Cookies

You can control and/or delete cookies as you wish. You can delete all cookies that are already on your computer and you can set most browsers to prevent them from being placed. However, if you do this, you may have to manually adjust some preferences every time you visit our site.

3. How We Use Your Information

We use the information we collect for the following purposes:

4. Information Sharing and Disclosure

4.1 We Do NOT Sell Your Information

We do not sell, trade, or rent your personal information to third parties.

4.2 When We May Share Information

We may share your information only in the following situations:

• Service Providers: With trusted third-party service providers who assist us in operating our website (e.g., hosting providers, analytics services)
• Legal Requirements: If required by law or in response to valid requests by public authorities
• Protection of Rights: To protect and defend our rights or property
• Consent: With your explicit consent for any other purpose

4.3 Aggregate Information

We may share aggregate, non-personally identifiable information publicly and with our partners to show trends about the general use of our services.

5. Data Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized or unlawful processing, accidental loss, destruction, or damage.

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your personal information, we cannot guarantee absolute security.

6. Data Retention

We retain your information only for as long as necessary to fulfill the purposes for which we collected it, including:

• Calculator inputs: Not stored (processed in browser)
• Contact form submissions: Up to 2 years
• Analytics data: Up to 26 months (Google Analytics default)
• Server logs: Up to 90 days

After these retention periods, we securely delete or anonymize your information.

7. Your Privacy Rights

Depending on your location, you may have certain rights regarding your personal information:

To exercise any of these rights, please contact us using the information provided below.

8. California Privacy Rights (CCPA)

If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA):

• Right to know what personal information is collected
• Right to know whether personal information is sold or disclosed
• Right to opt-out of the sale of personal information (Note: We do not sell personal information)
• Right to non-discrimination for exercising privacy rights

9. European Privacy Rights (GDPR)

If you are located in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR):

• Legal basis for processing your information
• Right to data portability
• Right to withdraw consent at any time
• Right to lodge a complaint with supervisory authorities

Our legal basis for processing personal information is primarily your consent and our legitimate interests in providing and improving our services.

10. Children's Privacy

Our Service is not directed to individuals under the age of 18. We do not knowingly collect personal information from children under 18. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

If we become aware that we have collected personal information from a child under 18 without parental consent, we will take steps to delete that information promptly.

11. Third-Party Websites

Our website may contain links to third-party websites, including:

• Scientific journals and research databases
• Government health organizations (NIH, CDC, WHO)
• Professional associations and educational resources

We are not responsible for the privacy practices of these third-party sites. We encourage you to read the privacy policies of any third-party sites you visit.

12. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your state, province, country, or other governmental jurisdiction where data protection laws may differ from those in your jurisdiction.

By using our Service, you consent to the transfer of your information to our facilities and to third parties as described in this Privacy Policy.

13. Changes to This Privacy Policy

We may update our Privacy Policy from time to time. We will notify you of any changes by:

• Posting the new Privacy Policy on this page
• Updating the "Last Updated" date at the top
• For significant changes, providing a prominent notice on our homepage

We encourage you to review this Privacy Policy periodically for any changes. Changes become effective when posted on this page.

14. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us: