eGFR Calculator
Use the eGFR to work through eGFR from the values you enter. Review the notes below the result so you understand what the figure represents.
eGFR
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Clinical estimate only. Interpretation must be done by a doctor.
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How it works
CKD-EPI 2021 creatinine equationHow to use the eGFR
Enter the requested values and start with one realistic example. Read the result together with its unit or label, then change one input at a time if you want to compare options.
This is a general estimate and cannot replace advice from a qualified health professional.
Frequently Asked Questions
Is this medical advice?
No. It gives general estimates only. For decisions about your health, speak with a qualified professional.
What information should I enter?
Use the input labels as a guide and enter figures from the same situation, time period and units wherever possible.
Can I use the result as an exact answer?
Treat it as an estimate or check unless the page and the rules that apply to you confirm otherwise. Rounding, fees and personal details can change the final result.