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Calculator: Creatinine clearance (measured) in adults and children age 1 month and older

Calculator: Creatinine clearance (measured) in adults and children age 1 month and older

Urine creatinine  
Serum creatinine  
24-hour urine volume  

Important: Inputs must be complete to perform calculation.

Creatinine clearance  
Decimal precision  


  • To calculate the creatinine clearance from a 24-hour urine collection, enter your patient's data into the appropriate data fields. The serum creatinine concentration must be stable for this formula to be valid. (Refer to UpToDate topic reviews that discuss calculation of the creatinine clearance for a review of the factors that limit the accuracy of this test.)

Equations used
Creatinine_clearance = Urine_creatinine * 24-hour urine volume / Serum_creatinine / 1440


Only digits 0 to 9 and a single decimal point (".") are acceptable as numeric inputs. Attempted input of other characters into a numeric field may lead to an incorrect result.

Information on this page may not appear correctly if printed.

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All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.

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Topic 13494 Version 9.0