Body Surface Area (BSA) is used in clinical settings to calculate drug dosages (especially chemotherapy), determine cardiac index, and assess burn severity.
Common Formulas
- DuBois: BSA = 0.007184 Γ W^0.425 Γ H^0.725
- Mosteller: BSA = β(W Γ H / 3600)
- Haycock: BSA = 0.024265 Γ W^0.5378 Γ H^0.3964
Where W = weight in kg, H = height in cm.
Average BSA
Adult male: ~1.9 mΒ². Adult female: ~1.6 mΒ². Average BSA is used as the reference for "standard" drug doses.