Privacy Policy

Last updated: March 2026

Overview

HealthCalculators.xyz ("we," "us," or "our") respects your privacy. This Privacy Policy explains how we collect, use, and protect information when you visit our website at https://healthcalculators.xyz.

Information We Collect

Calculator Inputs

When you use our calculators, you may enter personal health information such as weight, height, age, and other measurements. This data is processed entirely in your browser. We do not transmit, store, or have access to the values you enter into any calculator on this site.

Analytics Data

We use Google Analytics 4 (GA4) to understand how visitors use our site. GA4 may collect:

  • Pages visited and time spent on each page
  • Device type, browser, and operating system
  • Approximate geographic location (country/region level)
  • Referral source (how you found our site)

Google Analytics uses cookies and similar technologies. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

Advertising Data

We display advertisements through Google AdSense. Google and its advertising partners may use cookies to serve ads based on your prior visits to this site or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.

Cookies

Our site uses cookies for:

  • Analytics: Google Analytics cookies to measure site usage
  • Advertising: Google AdSense cookies to serve and measure ads

We do not use cookies for login, session tracking, or personal data storage, as our site does not require user accounts.

Third-Party Services

We use the following third-party services:

Data Retention

We do not store any personal health data. Analytics data is retained according to Google Analytics' default retention settings (14 months).

Children's Privacy

Our site is not directed to children under 13. We do not knowingly collect personal information from children.

Your Rights

Depending on your location, you may have the right to:

  • Access, correct, or delete your personal data
  • Opt out of personalized advertising
  • Request information about what data we hold about you

Since we do not store personal calculator data and rely on Google for analytics/advertising, most data requests should be directed to Google's privacy tools.

Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date.

Contact

For privacy-related questions, contact us at calculatordirectory@gmail.com.