GFR Calculator
Estimated glomerular filtration rate (eGFR) using CKD-EPI 2021 formula for kidney function.
Inputs
eGFR
CKD stages
Stage 1
≥ 90 (normal)
Stage 2
60–89
Stage 3a
45–59
Stage 3b
30–44
Stage 4
15–29 (severe)
Stage 5
< 15 (failure)
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