Body Metrics
Body Surface
Area Calculator
Calculate your Body Surface Area (BSA). BSA is used in clinical settings and to determine metabolic rates more accurately than BMI.
BSA Calculator
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BSA (m²)
What Is Body Surface Area?
Body Surface Area (BSA) is the measured or calculated surface area of a human body. For many clinical purposes, BSA is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose tissue.
The Mosteller Formula
This calculator uses the Mosteller formula, which is the most widely used and accepted formula for BSA calculation due to its simplicity and accuracy. The formula is: BSA = √((Height × Weight) / 3600).