GFR Calculator (Kidney Function)
Use our free GFR Calculator (Kidney Function) to accurately calculate your nephrology metrics. Professional formulas, instant results, and 100% privacy.
Medical Disclaimer
This tool is for educational purposes only and should not be used for diagnostic or clinical decision-making. Always consult a qualified healthcare professional before making medical decisions.
Clinical Reference Only
Glomerular Filtration Rate (GFR)
eGFR Calculation using the CKD-EPI 2021 Race-Neutral Equation.
Presets:
Estimated GFR
94
mL/min/1.73m²
Failure (G5)ModerateNormal (G1)
CKD Stage
Stage 1
Assessment
Normal
Clinical Guidance
How to Use GFR Calculator (Kidney Function) in 3 Easy Steps
1
Step 1
Enter your age, gender, and physical measurements into the fields.
2
Step 2
If applicable, enter laboratory values precisely from your medical reports.
3
Step 3
View the interpreted result and health category in the output panel.
Frequently Asked Questions
Our engine uses industry-standard formulas (e.g., Du Bois for BSA, CKD-EPI for GFR). However, results are for informational purposes only.
No. All calculations are processed locally in your browser. We never see or store your medical or fitness data.
Yes, all health and medical utilities on ToolsHub are completely free with no registration required.