Elegant ToolsCKD-EPI eGFR Calculator
Age in completed years
µmol/L ÷ 88.4 = mg/dL. Changing units clears the creatinine entry.
Estimated GFR
—mL/min/1.73 m²GFR categoryAwaiting inputs
Next step
Enter age, sex and creatinine, then confirm suitability.
GFR categories mL/min/1.73 m²
- G1≥90
- Normal or high
- G260 to <90
- Mildly decreased
- G3a45 to <60
- Mildly to moderately decreased
- G3b30 to <45
- Moderately to severely decreased
- G415 to <30
- Severely decreased
- G5<15
- Kidney failure range
Reviewed 5 September 2026