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    Creatinine clearance (Cockcroft-Gault)

    Calculate creatinine clearance with the Cockcroft-Gault formula from age, weight, creatinine and sex.

    years
    kg
    Sex
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    For information only; not a substitute for medical advice. Data is neither sent nor stored.

    Formula

    CrCl = (140 − age) × weight (kg) / (72 × Scr in mg/dL) × 0.85 [female].

    Reference ranges

    • Men: ~97–137 mL/min
    • Women: ~88–128 mL/min

    Frequently asked questions

    How does it differ from eGFR?
    Cockcroft-Gault estimates clearance in mL/min without body-surface normalization and is traditionally used for drug dosing.