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Body Surface Area Calculator

Calculate body surface area (BSA) using multiple validated formulas. BSA is used in clinical medicine for drug dosing, cardiac output, and burn assessment.

Your Measurements
Units
Height
cm
Weight
kg
BSA Results
BSA (Mosteller)
FormulaBSA (m²)

Body Surface Area in Medicine

BSA is used in Australia for chemotherapy dosing, cardiac output calculations, burn wound assessment, and paediatric drug dosing. The Mosteller formula is most commonly used in Australian clinical practice.

Average BSA Values

Average adult male: ~1.9 m² | Average adult female: ~1.7 m² | Newborn: ~0.25 m²