Body Surface Area Calculator
Calculate body surface area from height and weight using the Mosteller formula.
Assumptions used in this calculation
- Clinical use: BSA is often used for medication dosing, always follow your healthcare provider's calculation and guidance, not this estimate alone.
About this calculator
The body surface area (BSA) calculator uses the Mosteller formula, the most common clinical BSA estimate, often used for medication dosing and clinical assessments.
Worked example
170 cm, 70 kg
Result: BSA ≈ 1.82 m²
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