Health

Free Creatinine Clearance Calculator

Cockcroft-Gault estimate of creatinine clearance.

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Inputs

Result

Creatinine clearance

99.0 mL/min

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Short answer

Cockcroft-Gault estimate of creatinine clearance.

What is the Creatinine Clearance Calculator?

Cockcroft-Gault estimate of creatinine clearance.

How does the Creatinine Clearance Calculator work?

Enter the inputs above and read the result.

Formula

CrCl = ((140 − age) × weight) ÷ (72 × Scr) [×0.85 for females]

Variables

  • ScrSerum creatinine (mg/dL)

Explanation

The Cockcroft-Gault formula estimates creatinine clearance, often used for drug dosing adjustments.

Examples

Applications

    Advantages

      Limitations

      • This tool provides general estimates only and is not medical advice; always consult a doctor or qualified professional.
      • Drug dosing decisions must be made by a qualified healthcare professional.

      Common mistakes

        Tips

          Related concepts

          The Creatinine Clearance Calculator sits inside the Health Calculators hub, in the clinical & medical metrics cluster. Laboratory and screening ratios. Understanding the terms below makes the output easier to interpret and easier to compare against neighbouring measures.

          renal functionreference rangescreening thresholdrisk category

          Practical use cases and industry applications

          Understanding Creatinine Clearance

          Cockcroft-Gault estimate of creatinine clearance. Within health calculators, creatinine clearance belongs to the clinical & medical metrics cluster, where it shares terminology and assumptions with closely related tools.

          Learning how creatinine clearance is calculated

          The Cockcroft-Gault formula estimates creatinine clearance, often used for drug dosing adjustments. Working through the variables one at a time — Scr — makes the result reproducible by hand and easier to sanity-check.

          Using creatinine clearance to make a decision

          Because outputs depend on the assumptions you enter, run more than one scenario before committing to a figure.

          How creatinine clearance compares with related measures

          renal function, reference range, screening threshold, risk category all describe adjacent aspects of clinical & medical metrics. Comparing this calculator's output against those measures — using the related tools listed on this page — prevents a single metric from being read in isolation.

          Frequently asked questions

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