Creatinine Clearance

Estimate from age, weight, creatinine and sex.

Age (years)Sex

Weight

Serum creatinine

Educational estimate only — not a diagnosis. Values are calculated in your browser and never stored. Discuss your results with a licensed clinician.

Frequently asked questions

How is this different from eGFR?

Cockcroft-Gault uses your actual body weight and is often used for medication dosing, while eGFR is standardized to body size for staging kidney disease.

Which weight should I enter?

This tool uses actual body weight. Clinicians may adjust for body size when using the result to dose medicines.

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