Your Privacy Matters to Us
Last updated: January 1, 2026
Welcome to eGFR Calculator (egfrcalculator.org). We are committed to protecting your privacy and ensuring you have a safe experience when using our free online eGFR calculator. This Privacy Policy explains our practices regarding data collection and usage.
No Personal Data Collection
Our eGFR calculator operates entirely in your browser. We do not collect, store, or transmit any personal health information you enter into the calculator, including:
- Serum creatinine values
- Age information
- Sex/gender data
- Calculation results
Client-Side Processing
All eGFR calculations are performed locally in your web browser. Your health data never leaves your device. This means your medical information remains completely private and under your control at all times.
No Registration Required
We do not require you to create an account, provide an email address, or register in any way to use our eGFR calculator. The tool is completely free and accessible without any personal information exchange.
Anonymous Analytics
We may use anonymous analytics services to understand how visitors use our website. This helps us improve the user experience. This data is aggregated and does not include any personal health information. Analytics may collect:
- Page views and navigation patterns
- Browser type and device information
- Geographic region (country level)
- Referring websites
Cookies
We use minimal cookies necessary for the website to function properly. These are essential cookies that do not track your behavior or store personal information. You can configure your browser to refuse cookies, though this may affect some functionality.