Privacy Policy
Last updated: March 2026
1. Information We Collect
We do not collect personal information. All BMI calculations are performed entirely in your browser. No calculation data is transmitted to our servers.
2. Cookies and Analytics
We use Google Analytics 4 to understand how visitors use our site. GA4 may use cookies to collect anonymous usage data such as pages visited, time on site, and general geographic region. No personally identifiable information is collected through analytics.
3. Advertising
We display ads through Google AdSense to support the free operation of this tool. Google may use cookies to serve ads based on your prior visits to this website or other websites. You can opt out of personalized advertising by visiting Google's Ads Settings at https://adssettings.google.com.
4. Data Storage
We do not store any user data on our servers. There are no user accounts, no sign-ups, and no databases containing personal information.
5. Third-Party Services
Our site uses the following third-party services: Google Analytics 4 (anonymous usage analytics), Google AdSense (advertising), and Cloudflare Pages (hosting and CDN). Each of these services has its own privacy policy.
6. AI Crawlers and Language Models
We allow AI crawlers and language model agents (including GPTBot, ClaudeBot, PerplexityBot, and others) to access our publicly available content for the purpose of improving AI-powered search and discovery. We do not share personal user data with any AI system.
7. Children's Privacy
Our service is not directed to children under 13. We do not knowingly collect information from children. If you believe a child has provided us with personal data, please contact us immediately.
8. Changes to This Policy
We may update this privacy policy from time to time. Changes will be posted on this page with an updated date.
9. Contact
For privacy-related questions, contact us at contact@bmicalcnow.com or our parent company at contact@kymatalabs.com.