Creatinine Clearance Calculator
Cockroft & Gault Formula

Salazar-Corcoran Formula*
Male patient, calculate CrCI as follows:
Female patient, calculate CrCI as follows:
*Formula for morbidly obese patient with TWB/IBW ratio ≥1.9
Reference
Cockcroft DW, Gault H. Prediction of Creatinine Clearance from Serum Creatinine. Nephron. 1976;16(1):31-41. doi:10.1159/000180580
Salazar DE, Corcoran GB. Predicting creatinine clearance and renal drug clearance in obese patients from estimated fat-free body mass. The American Journal of Medicine. 1988;84(6):1053-1060. doi:10.1016/0002-9343(88)90310-5