Average body surface area by age
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Body surface area chart
Normal body surface area!
Body Surface Area Calculator
You may also be interested in our Free Online Body Shape Calculator
Formulas
The equations to compute BSA are listed below:
The Du Bois equation
BSA [m2] = 0.007184 × weight[kg] 0.425 × height[cm] 0.725
The Mosteller equation
BSA [m2] = 0.016667 × weight[kg] 0.5 × height[cm] 0.5
The Haycock equation
BSA [m2] = 0.024265 × weight[kg] 0.5378 × height[cm] 0.3964
The Gehan & George equation
BSA [m2] = 0.0235 × weight[kg] 0.51456 × height[cm] 0.42246
The Boyd equation
BSA [m2] = 0.03330 × weight[kg] (0.6157 - 0.0188 × log10(weight[kg])) × height[cm] 0.3
The Takahira equation
BSA [m2] = 0.007241 × weight[kg] 0.425 × height[cm] 0.725
The Schlich equation
Women: BSA [m2] = 0.000975482 × weight[kg] 0.46 × height[cm] 1.08
Men: BSA [m2] = 0.000579479 × weight[kg] 0.38 × height[cm] 1.24
References
1. Mosteller RD.
Simplified calculation of body-surface area. N Engl J Med. 1987 Oct 22; 317(17):1098.
2. Du Bois D, Du Bois EF. A formula to estimate the approximate surface area
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