MDRD GFR Calculator Glomerular Filtration Rate Estimation Calculator using MDRD GFR Equation Serum Creatinine mg/dL Age years Sex Male Female Black Race No Yes * Note: Some guidelines now recommend not using race adjustment Calculate eGFR Reset Share Calculator Estimated eGFR -- mL/min/1.73m² -- MDRD Formula (4-variable): GFR = 175 × (SCr)-1.154 × (Age)-0.203 × (0.742 if female) × (1.212 if Black)