Kidney GFR Calculator
Estimate glomerular filtration rate (eGFR) from creatinine. See CKD stage classification.
Estimated GFR
94.6
mL/min/1.73m²
Stage G1: Normal or High
CKD Stages
| G1 — Normal or High | ≥ 90 |
| G2 — Mildly Decreased | 60–89 |
| G3a — Mild-Moderate Decrease | 45–59 |
| G3b — Moderate-Severe Decrease | 30–44 |
| G4 — Severely Decreased | 15–29 |
| G5 — Kidney Failure | < 15 |
Uses the CKD-EPI 2021 race-free equation. This is an estimate — actual kidney function may differ. Factors like muscle mass, diet, and hydration can affect creatinine levels.
Use the Kidney GFR Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
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