Free Body Surface Area Calculator
Calculate your body surface area using the Mosteller formula, commonly used for medication dosing.
lbs
inches
Body Surface Area
2.01 m2
Body Surface Area21.6 ft2
Body Surface Area vs Body Weight
Mosteller Formula for Body Surface Area
BSA (m2) = sqrt(Weight(kg) x Height(cm) / 3600)
Body surface area is used in medicine for:
Average BSA
The average adult male BSA is approximately 1.9 m2.
Example Calculation
A 180 lb, 70-inch tall male.
- 01Weight = 81.6 kg, Height = 177.8 cm
- 02BSA = sqrt(81.6 x 177.8 / 3600)
- 03= sqrt(14,508.48 / 3600)
- 04= sqrt(4.030) = 2.01 m2
Frequently Asked Questions
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