Calculate body surface area given the height and weight

The calculation is from the formula of DuBois and DuBois:

BSA = (W ^0.425 x H ^0.725) x 0.007184

where the weight is in kilograms and the height is in centimeters.

1. DuBois D, DuBois EF. A formula to estimate the approximate surface area if height and weight be known. Arch Intern Medicine. 1916; 17:863-71.
2. Wang Y, Moss J, Thisted R. Predictors of body surface area.
   J Clin Anesth. 1992; 4(1):4-10.