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Body Surface Area Calculator

On this page, the calculator allows the user to calculate the  surface area of a human body using different Formulas. The body surface area (BSA) is a measurement used in many medical tasks, such as medication doses and includes descriptive statistics.
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Calculate Body Surface Area   

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Body surface area(BSA)

The body surface area is the measured or calculated surface of a human body. Because of the complexity of direct measurement, various formulas have been developed to estimate the body surface area over the years. Using these BSA formulas, body surface area will be figured out in square meters.

Body Surface Area Formulas
  • The Mosteller formula

  • One commonly used formula is the Mosteller formula, published in 1987.
    BSA (m²) = ( [Height(cm) x Weight(kg) ]/ 3600 )½
  • The DuBois and DuBois formula

  • BSA (m²) = 0.20247 x Height(m)0.725 x Weight(kg)0.425
  • The Haycock formula

  • BSA (m²) = 0.024265 x Height(cm)0.3964 x Weight(kg)0.5378
  • The Gehan and George formula

  • BSA (m²) = 0.0235 x Height(cm)0.42246 x Weight(kg)0.51456
  • The Boyd formula

  • BSA (m2) = 0.0003207 x Height(cm)0.3 x Weight(g)(0.7285 - ( 0.0188 x LOG10Weight(g))
Average BSA Values

Neonate 0.25
Child 2 years 0.5
Child 9 years 1.07
Child 10 years 1.14
Child 12-13 years 1.33
For men 1.9
For women 1.6

Top Use:    Calculate Body surface area - Weight:72.4Kgs Height:1.5m

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