Cockcroft-Gault CrCl calculator
Result
69mL/min
Adequate clearance — standard dosing
Use actual body weight unless obese (use IBW then).
How to use it
- 1
Use actual body weight. If obese, use ideal body weight (IBW = 50 + 2.3 × [height cm − 152.4]/2.54 for males).
- 2
Creatinine in mg/dL. If only µmol/L: divide by 88.4.
- 3
Drugs using Cockcroft-Gault. Digoxin, low-molecular-weight heparins, direct oral anticoagulants (check SPC for each drug).
When to use it
- DOAC dosing
- Apixaban, rivaroxaban, dabigatran dose reduction thresholds use CrCl (Cockcroft-Gault), not eGFR.
- Antibiotic dosing
- Aminoglycosides, vancomycin AUC, meropenem all reference CrCl.
- Chemotherapy
- Carboplatin Calvert formula uses CrCl.
A reference for clinicians and students, not medical advice. A score supports a decision; it does not make one. Check every result against the patient in front of you and your local protocol.
At a glance
- Specialty
- Nephrology
- Inputs
- 4
- Type
- Formula
