Body Surface Area Calculator

Calculate your body surface area (BSA) using the Mosteller formula.

Your Measurements

Unit System

Weight

lbs

Height

About BSA

Body Surface Area (BSA) is used in medicine to calculate drug dosages and medical indicators. The Mosteller formula is: BSA = √((Height × Weight) / 3600)

Average BSA values: Adults 1.7-2.0 m², Women ~1.6 m², Men ~1.9 m²

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Your BSA

Body Surface Area