March 2014: Calculator now uses a base dose input and allows users to select either DuBois or Mosteller equations. The BSA Dose Adjustment Calculator is still available under Medication Protocols.

Body Surface Area Based Dosing

Input:

BSA Based Dose
Height
Weight
BSA Formula	Dubois
	Mosteller

Results:

Dose

Decimal Precision:

Formula Notes References

BSA Dubois[m²] = 0.007184 * Height[cm]^0.725 * Weight[kg]^0.425

BSA Mosteller[m²] = sqr(Height[cm] * Weight[kg] / 3600)

In this calculator, mcg is the abbreviation for micrograms.
The default unit of measure for weight is kilograms. Please verify that the correct unit of measure has been selected.
Dose adjustment for BSA is not appropriate for all medications or patients.

Gerald, MC, O'Bannon. In: Nursing pharmacology and therapeutics 2nd ed. Englewood Cliffs, NJ: Prentice Hall Incorporated 1988.
Dubois D, Dubois EF. A formula to estimate the approximate surface area if height and weight be known. Arch Intern Med. 1916; 17:863-871.
Mosteller RD. Simplified calculation of body surface area. NEJM. 1987; 317:1098.

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All information contained in and produced by the MedCalc 3000 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.