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🩺 GFR Calculator
Check Your Kidney Function Online Instantly
-- mL/min/1.73m²
What is GFR?
Glomerular Filtration Rate (GFR) is a test used to check how well your kidneys are working. It estimates how much blood passes through the glomeruli (tiny filters in your kidneys) each minute. A lower GFR number means your kidneys aren't working as well as they should.
🔍 Key Features
- ✅ Instant Results: Get your estimated Glomerular Filtration Rate (eGFR) calculation immediately
- 📊 Medical Accuracy: Uses the gold-standard CKD-EPI equation recommended by nephrologists
- 📱 Mobile Friendly: Perfect experience on smartphones, tablets, and desktops
- 🔒 100% Private: All calculations happen in your browser – no data sent to servers
- 🧠 AI-Powered Insights: Receive personalized recommendations based on your results
- 👨⚕️ Medical Context: Understand what your GFR means with clear explanations
- 🌙 Dark Mode Support: Comfortable viewing day or night
📋 About This Tool
Our Glomerular Filtration Rate (GFR) Calculator provides a quick, accurate assessment of your kidney function, a vital indicator of your overall health. The GFR test measures how well your kidneys filter blood and is essential for detecting and managing chronic kidney disease (CKD).
Kidney disease often develops silently, with few symptoms in its early stages. Regular monitoring of your GFR can help catch potential issues before they become serious. Our calculator uses the CKD-EPI equation, which is considered the most reliable method for estimating GFR by nephrologists worldwide.
Whether you’re monitoring existing kidney conditions, assessing your general health, or understanding recent lab results, this tool provides valuable information about your kidney function in an easy-to-understand format.
⚙️ How It Works
- 📝 Enter Your Information: Input your age, gender, height, weight, serum creatinine level (from your blood test), and race
- 🖱️ Click Calculate: Our algorithm processes your information using the medically-validated CKD-EPI equation
- 📊 Get Results: View your estimated GFR value (measured in mL/min/1.73m²)
- 📈 Understand Your Category: Your result will be categorized from “Normal” to “Kidney Failure”
- 💡 Receive Insights: Get personalized recommendations based on your specific results
- 👨⚕️ Discuss with Your Doctor: Share these results with your healthcare provider for professional guidance
The calculator factors in all relevant variables that affect kidney function estimation, including the natural decline in GFR with age and differences between demographic groups.
🔒 Data Protection Policy
🛡️ Privacy First: This GFR Calculator operates entirely within your web browser. Your personal health information never leaves your device.
📱 No Data Storage: We do not store any of your medical information, measurements, or calculation results.
🤐 No Third-Party Sharing: Since no data is collected, nothing is shared with advertisers, healthcare providers, or any third parties.
🔍 No Cookies: This tool doesn’t use cookies or tracking technologies to monitor your usage.
📊 Statistical Validity: While maintaining complete privacy, the calculator still provides medically accurate estimations based on established medical equations.
⚠️ Not a Medical Diagnosis: This tool provides an estimation only and is not a substitute for professional medical advice. Always consult with a healthcare provider about your kidney health and GFR results.
Use this calculator with confidence knowing your health information remains private and secure.