Last updated: February 2026
This website does not collect, store, or transmit any personal health information. All calculations happen entirely in your browser — no data you enter into the calculator is sent to any server.
If you sign up to receive our free tracker via email, we collect your email address. This is stored securely by our email service provider, EmailOctopus. You can unsubscribe at any time using the link in any email we send.
We may use anonymous analytics tools such as Google Analytics to understand how visitors use the site. This data is aggregated and does not identify individuals. We also display advertising through Google AdSense, which may use cookies to serve relevant ads. You can opt out of personalized advertising at adssettings.google.com.
We use Google Fonts to load typography. Google may log your IP address when fonts are requested. We use EmailOctopus to manage email signups. We use Cloudflare for hosting and security. No other third-party data sharing occurs.
Some pages on this site contain affiliate links to Amazon. If you purchase through these links, we may earn a small commission at no extra cost to you. We are a participant in the Amazon Services LLC Associates Program.
This site is not directed at children under 13 and we do not knowingly collect information from minors.
We may update this policy periodically. Continued use of the site constitutes acceptance of any changes.
Questions about this policy? Email us at [email protected].