Creatinine Clearance Calculator

    Calculate kidney filtration rate

    mg/dL
    kg

    Formula

    CrCl = (140 - Age) × Weight / (72 × Cr) [× 0.85 if female]

    Cockcroft-Gault equation for estimating creatinine clearance.

    Examples

    Age 50, 70kg, Cr 1.0

    CrCl ≈ 87.5 mL/min.

    Frequently Asked Questions

    About Creatinine Clearance

    Calculate creatinine clearance using the Cockcroft-Gault equation for drug dosing.