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Body Surface Area (BSA)

kg
cm

Clinical Context & Background

Body Surface Area (BSA) is the measured or calculated surface area of a human body. In oncology, it is the standard metric for calculating dosages of chemotherapeutic agents (mg/m²). This calculator supports the traditional Du Bois & Du Bois formula as well as the widely used Mosteller formula.
Primary Source EvidenceDu Bois D, Du Bois EF. A formula to estimate the approximate surface area if height and weight be known. Arch Intern Med. 1916;17(6):863-871. (Also: Mosteller RD. N Engl J Med. 1987).
Formula Logic
Du Bois: 0.007184 × W^0.425 × H^0.725 | Mosteller: √((W × H) / 3600)

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