Body Roundness Index Calculator Privacy
Last updated: 11/15/2025
We protect your privacy when using our body roundness index calculator. This policy explains how we collect, use, and safeguard your information to keep your health data secure.
Legal Basis for Processing (GDPR)
Under the General Data Protection Regulation (GDPR), we process your data based on the following legal grounds:
- Consent (Article 6(1)(a) GDPR): For analytics cookies and non-essential data processing
- Legitimate Interests (Article 6(1)(f) GDPR): For essential website functionality and security
- Special Category Data (Article 9 GDPR): Health data you enter (height, weight, waist circumference) is processed locally in your browser only with your explicit consent for the purpose of providing calculator results. This data is never transmitted to or stored on our servers.
Information We Collect
We take your privacy seriously and minimize data collection. Currently, we collect:
Health Data (Special Category Data under GDPR Article 9)
When you use our calculator, you may enter the following health-related measurements:
- Height (in centimeters or feet/inches)
- Weight (in kilograms or pounds)
- Waist circumference (in centimeters or inches)
Important: This health data is processed exclusively in your web browser using JavaScript. We do not transmit, store, or have access to any of your health measurements. The calculations are performed entirely on your device, and no health data leaves your browser.
Analytics and Cookies
- Analytics Data: With your consent, we use Google Analytics 4 to understand how visitors use our site and improve user experience. This includes anonymized IP addresses and general usage patterns.
- Cookies: Small files stored on your device to enhance functionality and analyze traffic. You can manage cookie preferences through our cookie consent banner or the "Cookie Settings" link in the footer.
This policy may be subject to change as we develop new features. We will always notify you of significant changes.
How We Use Your Information
We use the information we collect to:
- Provide, maintain, and improve our free body roundness index calculator
- Understand how users interact with our site to enhance user experience
- Respond to your inquiries when you contact us
- Send updates about our services (only if you opt-in)
- Comply with legal obligations
Third-Party Services
We use the following third-party services:
- Google Analytics 4: For website analytics and traffic analysis (only with your consent). Google Analytics processes data in accordance with their Privacy Policy. We have enabled IP anonymization and use Google Consent Mode v2.
- Amazon Associates: For affiliate links (see our Affiliate Disclosure)
These services may collect information as described in their respective privacy policies.
International Data Transfers
Some of our third-party service providers (such as Google Analytics) may process data outside the European Economic Area (EEA). We ensure that such transfers comply with GDPR requirements through:
- Standard Contractual Clauses approved by the European Commission
- Adequacy decisions where applicable
- Your explicit consent where required
Data Security
We implement appropriate technical and organizational measures to protect the security of your personal information, including:
- HTTPS encryption for all data transmission
- Google Consent Mode v2 for privacy-first analytics
- IP anonymization for analytics data
- Client-side only processing of health data (no server storage)
- Regular security reviews and updates
However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.
Data Retention
We retain different types of data for different periods:
- Health Data: Not retained. All calculations are performed in your browser and data is cleared when you close or refresh the page.
- Cookie Consent: Stored for 182 days (6 months) or until you change your preferences.
- Analytics Data: Retained by Google Analytics for 26 months, then automatically deleted.
Your Rights Under GDPR
If you are in the European Economic Area (EEA), UK, or Switzerland, you have the following rights under GDPR:
- Right of Access (Article 15): You can request confirmation of whether we process your personal data and obtain a copy of it.
- Right to Rectification (Article 16): You can request correction of inaccurate personal data.
- Right to Erasure (Article 17): You can request deletion of your personal data under certain circumstances.
- Right to Restriction of Processing (Article 18): You can request that we limit the processing of your personal data in certain situations.
- Right to Data Portability (Article 20): You can request to receive your personal data in a structured, commonly used format.
- Right to Object (Article 21): You can object to processing based on legitimate interests or for direct marketing purposes.
- Right to Withdraw Consent (Article 7(3)): You can withdraw your consent at any time through our cookie settings or by contacting us.
- Right to Lodge a Complaint (Article 77): You can file a complaint with your local supervisory authority if you believe your rights have been violated.
To exercise any of these rights, please contact us. We will respond to your request within one month.
Supervisory Authority
If you are located in the EEA, UK, or Switzerland and believe we have not handled your personal data properly, you have the right to lodge a complaint with your local data protection supervisory authority. You can find your local authority at:
- EU: European Data Protection Board - List of Supervisory Authorities
- UK: Information Commissioner's Office (ICO)
- Switzerland: Federal Data Protection and Information Commissioner (FDPIC)
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 are a parent or guardian and believe your child has provided us with personal information, please contact us.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date. If you want to receive notifications of updates, please reach out through our contact page.
Contact Us
If you have any questions about this Privacy Policy or our privacy practices, please contact us. We're here to help!