GFR Calculator (MDRD)

Calculate Glomerular Filtration Rate using MDRD formula (mL/min/1.73m²).

Formula

MDRD: 186 × (Cr)^-1.154 × (Age)^-0.203 × [0.742 if female]

Creat 1.2, 45yo M

Inputs
  • Serum Creatinine (mg/dL): 1.2
  • Age (years): 45
  • Female (1) or Male (0): 0

GFR ≈ 68

Frequently asked questions

What is GFR?
Kidney function measure; Stage ≥3 = CKD