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Body Surface Area (BSA) Calculator

Calculate body surface area using four widely used clinical formulas. Often required for medication and chemotherapy dosing.

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lbs
ft
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Your results

BSA (Mosteller)
1.85 m²
info
Du Bois
1.84 m²
Haycock
1.86 m²
Boyd
1.87 m²

What is BSA?

Body surface area is the calculated surface area of the human body. It's used clinically for cardiac index, drug dosing (especially chemotherapy), and burn assessment.

Mosteller is the most commonly used formula because it's simple and accurate enough for clinical use.

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Frequently Asked Questions

Which BSA formula should I use?

Mosteller is the standard choice in most clinical settings due to its simplicity.

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