Body Surface Area Based Dosing

BSA Based Dose
BSA Formula Dubois

Decimal Precision:
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.
  1. Gerald, MC, O'Bannon. In: Nursing pharmacology and therapeutics 2nd ed. Englewood Cliffs, NJ: Prentice Hall Incorporated 1988.
  2. 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.
  3. Mosteller RD. Simplified calculation of body surface area. NEJM. 1987; 317:1098.
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