What is body surface area used for?

BSA is used in medicine to scale drug doses (especially chemotherapy), cardiac index and metabolic rates, since it tracks metabolic mass better than weight alone.

Which formula should I use?

Mosteller is the simplest and most common in clinical practice. Du Bois and Haycock are classic alternatives; results usually agree within a few percent.

Body Surface Area (BSA) Kalkulator

Darmowy body surface area (BSA) kalkulator. Enter weight and wysokość to estimate BSA in square metres using the Mosteller, Du Bois and Haycock formulas — commonly used for medication dosing and physiology.

Estimate body surface area in m² from weight and wysokość.

BSA_{M os t e l l er} = \frac{h \cdot w}{3600}

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