Body Surface Area Calculator
Computes body surface area from height and weight using the Mosteller, Du Bois, Haycock, Gehan-George and Boyd formulas — the basis for many chemotherapy and drug dosing calculations.
Read the full guide to this tool
Results
Notes
- Mosteller: BSA = √(height × weight / 3600), the simplest and most widely used bedside formula.
- Average adult BSA is about 1.7 m²; the formulas agree to within a few percent for typical body sizes.
- This is an educational estimate, not medical advice; consult a professional for decisions about your health.
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