Body Surface Area (BSA) Calculator

Calculate body surface area (bsa) with this accurate, fast, and easy to use calculator. Just enter your height and weight to get precise results instantly.

two women working out



1.924122 m2


1.896634 m2


1.887908 m2

Gehan & George

1.897889 m2


1.866028 m2

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Common questions about Body Surface Area

How to calculate bsa manually with formula

Dubois formula: BSA = 0.007184 x W0.425 x H0.725

Mosteller formula: BSA = 0.016667 x W0.5 x H0.5

Haycock formula: BSA = 0.024265 x W0.5378 x H0.3964

Gehan & George formula: BSA = 0.0235 x W0.51456 x H0.42246

Fujimoto formula: BSA = 0.008883 x W0.444 x H0.663


W is the weight of a person in kilograms.

H is their height in centimeters.

From this, we get to know that your BSA value depends on 2 factors: Your weight and height.'s main purpose is to provide fast, helpful, convenient, and 100% free online calculators in various categories. Currently, we have around 20 calculators to help you do quick calculations in categories such as fitness, finance, health, math, temperature, and others, and we are developing new calculators every week.
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