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Body Surface Area Calculator

Calculate Body Surface Area (BSA) — used clinically for dosing medications and chemotherapy.

What is Body Surface Area?

BSA is the surface area of the human body, expressed in m².

How is it calculated?

Mosteller: BSA = √(height(cm) × weight(kg) / 3600).

Frequently Asked Questions

Which BSA formula is most used?
Mosteller is most popular due to its simplicity and accuracy comparable to DuBois.