Creatinine Clearance (Cockcroft-Gault)
Estimate creatinine clearance.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator estimates creatinine clearance using the Cockcroft-Gault equation: CrCl = [(140 − age) × weight] / (72 × serum creatinine), multiplied by 0.85 for female patients — a quick estimate of how well the kidneys are filtering blood, expressed in mL/min.
Clinicians, pharmacists and nursing staff use it mainly for drug dosing, since many medications are cleared by the kidneys and need dose adjustments when clearance is reduced. It's an estimate based on age, weight and a lab creatinine value, not a substitute for a measured or eGFR-based renal function test.
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