Renal

Creatinine Clearance (Cockcroft-Gault) Calculator

Estimated creatinine clearance for drug dosing

Calculate CrCl

Creatinine (mg/dL)

Age (years)

Sex

Weight (kg)

Clinical use

Use this calculator for estimated creatinine clearance for drug dosing in therenal workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.

Interpretation

Still required by many drug manufacturers for dose adjustment (e.g., DOACs, antimicrobials). Uses actual body weight — consider adjusted weight in obesity.

Required inputs

Creatinine
Age
Sex
Weight

Evidence and limitations

This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.

References

Cockcroft DW, Gault MH. Nephron 1976;16:31-41

Frequently asked questions

What is the Creatinine Clearance (Cockcroft-Gault)?

Creatinine Clearance (Cockcroft-Gault) is a clinical calculator used for Estimated creatinine clearance for drug dosing.

How do I interpret the Creatinine Clearance (Cockcroft-Gault)?

Still required by many drug manufacturers for dose adjustment (e.g., DOACs, antimicrobials). Uses actual body weight — consider adjusted weight in obesity.