Body surface area (Mosteller)

Mosteller body surface area for chemotherapy and other BSA-based dosing.

Previewv0.1.0 · Pending clinical review

Inputs

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Actual (total) body weight
When to use
  • BSA-based dosing, most often chemotherapy.
Pearls and pitfalls
  • Some protocols cap BSA (for example 2.0 m²) or use adjusted weight in obesity.
  • Other formulas (Du Bois, Haycock) differ slightly; match the protocol.
Why use

The simplest validated BSA formula, with the square root shown step by step.

BSA=H×W3600
where
BSA
Body surface area, m²
H
Height, cm
W
Weight, kg

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