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GFR Calculator

Age

Serum Creatinine (mg/dL)

Race (affects CKD-EPI and MDRD)

Formula

eGFR

87.4

mL/min/1.73 m²

Stage G2 — Mildly decreased

Mildly decreased kidney function.

CKD Stages

G1	Normal	≥90
G2	Mildly decreased	60–90
G3a	Mildly to moderately decreased	45–60
G3b	Moderately to severely decreased	30–45
G4	Severely decreased	15–30
G5	Kidney failure	0–15

⚠️ This calculator provides estimates only. eGFR should be interpreted by a healthcare professional in the context of your complete medical history.

Estimated GFR (eGFR) using CKD-EPI, MDRD, and Cockcroft-Gault formulas with CKD staging.