Introduction
This Privacy Policy explains how BMI Calculator ("we," "us," or "our") collects, uses, and protects your information when you use our website and BMI calculation tools.
Information We Collect
Information You Provide
When you use our BMI calculator, you may provide:
- Height and Weight: Required for BMI calculation
- Age and Sex: Optional demographic information for context
- Unit Preference: Metric or Imperial measurement system
Important: All calculations are performed locally in your browser. We do not store, transmit, or save your personal health data on our servers.
Automatically Collected Information
When you visit our website, we may automatically collect:
- Device Information: Browser type, operating system, device type
- Usage Data: Pages visited, time spent, interaction patterns
- IP Address: For analytics and security purposes (anonymized)
- Cookies: Small data files for functionality and analytics (see Cookie Policy below)
How We Use Your Information
We use collected information to:
- Provide Services: Calculate BMI and display results
- Improve User Experience: Understand how visitors use our site
- Analytics: Measure traffic, popular features, and user behavior
- Security: Detect and prevent fraud, abuse, or technical issues
- Legal Compliance: Comply with applicable laws and regulations
Data Storage and Security
Local Processing: Your BMI calculation data (height, weight, age, sex) is processed entirely in your browser using JavaScript. This data is never sent to our servers.
No Account Required: We do not require registration or account creation. You can use our tools anonymously.
Security Measures: We implement industry-standard security measures including HTTPS encryption, secure hosting, and regular security audits.
Cookies and Tracking Technologies
We use cookies and similar technologies for:
- Essential Cookies: Required for basic site functionality (e.g., remembering unit preference)
- Analytics Cookies: Help us understand site usage (Google Analytics or similar)
- Performance Cookies: Improve site speed and performance
You can control cookies through your browser settings. Disabling cookies may affect site functionality.
Third-Party Services
We may use third-party services that collect information:
- Google Analytics: Website traffic analysis (anonymized)
- CDN Providers: Content delivery for faster loading (e.g., fonts, libraries)
- Hosting Provider: Website hosting and infrastructure
These third parties have their own privacy policies. We are not responsible for their practices.
Data Sharing and Disclosure
We do not sell, rent, or trade your personal information. We may share information only in these limited circumstances:
- Legal Requirements: When required by law, court order, or legal process
- Safety and Security: To protect rights, property, or safety of our users or others
- Business Transfers: In connection with merger, acquisition, or sale of assets
- With Consent: When you explicitly agree to share information
Your Rights and Choices
You have the following rights regarding your information:
- Access: Request information about data we collect
- Correction: Request correction of inaccurate data
- Deletion: Request deletion of your data (where applicable)
- Opt-Out: Opt out of analytics tracking
- Cookie Control: Manage or disable cookies via browser settings
Since we don't store your BMI calculation data, there's nothing to delete from our servers. Your data stays on your device.
Children's Privacy
Our service is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.
Note: BMI calculations for children (ages 2-19) should use pediatric growth charts, not adult BMI categories. Consult a healthcare provider for children's weight assessment.
International Users
Our website is hosted in [Your Country/Region]. If you access our site from outside this region, your information may be transferred to, stored, and processed in our hosting location. By using our service, you consent to this transfer.
Changes to This Privacy Policy
We may update this Privacy Policy periodically. Changes will be posted on this page with an updated "Last Updated" date. Continued use of our service after changes constitutes acceptance of the updated policy.
For significant changes, we may provide additional notice through our website.
Contact Us
If you have questions about this Privacy Policy or our privacy practices, please contact us:
- Website: BMI Calculator
- Email: [Your Contact Email]
Summary: We respect your privacy. Your BMI calculation data is processed locally in your browser and never sent to our servers. We only collect anonymous analytics data to improve our service. We do not sell your information.