The doctor has ordered an antibiotic on 11 y/o Billy.
The average adult dose is 250 mg. In order to calculate
pediatric doses you must first determine Billy's body surface
area (BSA). Billy is 157.5 cm in height and weighs
45 kg. Using the example below, plug in the numbers
into the calculator to determine Billy's BSA.
Using the calculator, Billy's BSA is determined
as 1.42 M2.
Formula
kg0.425
x cm0.725 x 0.007184 = BSA
The above formula is just one
method for determining BSA. Results with other formulas
will vary.