Body Surface Area Calculator: Accurate BSA Measurement for Medical Dosing

A Body Surface Area (BSA) calculator lets you enter height and weight, converts any units, then applies Mosteller, DuBois, or Haycock formulas to give you an area in m²—vital because chemotherapy doses are prescribed per square metre and the average adult BSA is ≈ 1.7 m² (Mosteller, 1987).