Cancer chemother rep 1970 54225 35. The body surface area formula. Gehan ea george sl. The result is in squared meters which easily be converted to square feet inches or yards as needed. The growth of the surface area of the human body. Various body surface area formulas have been developed over the years originally by drs du bois du bois followed by gehan and george haycock boyd and mosteller.
To estimate your body surface area our bsa calculator uses the following formula. 17272 cm x 50 kg 3600 239. The mosteller formula 1 bsa m2 sqrt height cm x weight kg 3600 eg. The calculator below computes the total surface area of a human body referred to as body surface area bsa. Estimation of human body surface area from height and weight. Body surface area calculator.
These formulas all give slightly different results. In physiology and medicine the body surface area bsa is the measured or calculated surface area of a human bodyfor many clinical purposes bsa is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass. Geometric method for measuring body surface area. It is probably not worth the trouble to debate about which formula may or may not be slightly better. Bsa is a measurement used in many medical tasks. The body surface area formula or bsa formula must not be confused with the body mass index because both of them are completely different terms and things.
020247 x height m0725 x mass kg0425 where height is in meters and mass is in kg. Using these bsa formulas body surface area will be figured out in square meters. Take square root of 239 155 m2. 5 feet 8 inches 68 inches x 254 cminch 17272 cm. The calculator below provides results for some of the most popular formulas. The mean age was 550170 years range of 18 to 90 years.
Body surface area formulas. Bsa calculator tells us about the surface area of a person while the body mass index is a measurement of the degree of how overweight a person is. The dubois and dubois formula. Below are the body surface area formula by drs mosteller dubois and dubois haycock and boyd. The average adult bsa is 17 m 2 19 m 2 for adult males and 16 m 2 for adult females. Bsa m² height cm x weight kg 3600 ½.
A total of 1010 subjects were enrolled. Bsa sqrt cmkg3600. The journal of pediatrics 1978 93162 66. The body surface area bsa was the best predictor of all the studied physiological variables and may be used to predict aortic sinus annulus and arch dimensions independently r054 037 and 039 respectively. Nevertheless there have been several important critiques of the use of bsa in determining the dosage of medications with a narrow. A height weight formula validated in infants children and adults.
This number is used to calculate dosages for cytotoxic anticancer agents. Direct measurement of bsa is difficult and as such many formulas have been published that estimate bsa. One commonly used formula is the mosteller formula published in 1987.