GFR Calculator
Accurately estimate kidney function with our free online GFR calculator, ideal for healthcare providers and students needing quick assessments.

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About This Tool
This GFR calculator provides an essential clinical tool for evaluating kidney health directly from patient data. By inputting key parameters like age, serum creatinine, gender, and race, users can instantly obtain GFR estimates using validated formulas such as MDRD or CKD-EPI.
Accurate GFR assessment is crucial for diagnosing kidney diseases, monitoring progression, and adjusting treatment plans. This tool is designed for healthcare professionals, laboratorians, and medical students seeking a fast, reliable, and user-friendly way to calculate kidney function.
The calculator features built-in validation to ensure all inputs are correct, including proper numeric ranges and required fields. Results are displayed clearly with the GFR value in mL/min/1.73m² and an interpretative label indicating kidney function status. Users can easily copy, share, or download results for documentation or further analysis.
Its responsive design ensures accessibility on desktops, tablets, and smartphones, making it suitable for clinical environments and field use. Optional features like calculation history, unit toggling, and formula explanations enhance usability and learning. This tool aims to streamline kidney function assessments with accuracy, speed, and ease of use.
How to Use
1. Enter patient's age in years.
2. Input serum creatinine level in mg/dL.
3. Select the patient's gender.
4. Choose race if applicable.
5. Select the preferred formula (MDRD or CKD-EPI).
6. Click 'Calculate' to view GFR and interpretation.

FAQs/Additional Resources
Find Quick Answers
What is GFR and why is it important?
Which formula should I use for GFR calculation?
What do GFR results indicate?
Can I use this tool for pediatric patients?
Is inputting race necessary?
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