BSA Calculator

BSA Calculator to calculate body surface area. There are different body surface area formula on how to calculate BSA. Common BSA formulas include DuBois formula, Haycock formula, Mosteller formula, Gehan & George formula, Boyd formula Fujimoto formula and Takahira formula. You can calculate your body surface area with English or Metric or a mixed of the two systems.

Body Surface Area Calculator

Weight lbs  kg
Height feet

inches  cm
You have a BSR of
Formulas BSR
Du Bios
Haycock
Mosteller
Gehan & George
Boyd
Fujimoto
Takahira

BSA Formula

Following are the different BSA formula on how to calculate body surface area.
In the following formulas, W is refer as weight. H is refer to Height. Weight is in kg unit, height is in cm unit, and the result BSA is in m2

Du Bois Formula

BSA = 0.007184 × W0.425 × H0.725

Haycock Formula

BSA = 0.024265 × W0.5378 × H0.3964

Mosteller Formula

BSA = = 0.016667 × W0.5 × H0.5

Gehan and George formula

BSA = 0.0235 × W0.51456 × H0.42246

Boyd formula

BSA = 0.03330 × W(0.6157 - 0.0188 × log10(W) × H0.3

Fujimoto formula

BSA = 0.008883 × W0.444× H0.663

Takahira formula

BSA = 0.007241 × W0.425 × H0.725

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