GFR Calculator

Estimate your Glomerular Filtration Rate

Age

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Serum Creatinine (mg/dL)

Your Estimated GFR

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Glomerular filtration rate (GFR) is the best overall index of kidney function. Normal GFR varies according to age, sex, and body size.

This calculator uses the CKD-EPI formula for estimation. For medical advice, please consult a healthcare professional.