Body measurements Info

Renal function for instance is measured by gfr relative to the body surface area. The body surface area is used for numerous medical measures including medication calculation and the amount of fluids administered iv. The journal of pediatrics 1978 93162 66. Body surface area calculator. Body surface area is used for a determining other medical measures. Nevertheless there have been several important critiques of the use of bsa in determining the dosage of medications with a narrow therapeutic index such as chemotherapy.

Geometric method for measuring body surface area. Other medical measures are used for the bsa. For many clinical purposes bsa is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass. Average body surface area for children 9 years. Average body surface area for children 12 13 years. Average body surface area for children 10 years.

Below are the body surface area formula by drs mosteller dubois and dubois haycock and boyd. The mosteller formula 1 bsa m2 sqrt height cm x weight kg 3600 eg. Weight pounds kilograms height 1 2 3 4 5 6 7 0 1 2 3 4. The calculator below provides results for some of the most popular formulas. The area of the surface or surface area is the number of square units measured in inches feet yards miles etc needed to completely cover the surface of the object. Estimating body surface area bsa to estimate your body surface area our bsa calculator uses the following formula 1.

In physiology and medicine the body surface area is the measured or calculated surface area of a human body. Enter height weight then click calculate. A height weight formula validated in infants children and adults. The body surface area formula. Cancer chemother rep 1970 54225 35. Estimation of human body surface area from height and weight.

The result is in squared meters which easily be converted to square feet inches or yards as needed. Typically there is a 410 fold variation in drug clearance between. The calculator below computes the total surface area of a human body referred to as body surface area bsa. The growth of the surface area of the human body. Direct measurement of bsa is difficult and as such many formulas have been published that estimate bsa. In the body the epidermis makes up the outermost layer and the surface area is essentially a measurement of how much exposed skin the body has.

You can estimate the body surface area on an adult that has been burned by using multiples of 9. Bsa sqrt cmkg3600. Where height is in meters and mass is in kg. Optional medication dose calculator. As an example if both legs 18 x 2 36 the groin 1 and the front chest and abdomen were burned this would involve 55 of the body. 020247 x height m0725 x mass kg0425.

Gehan ea george sl. Average body surface area for adult women. An adult who has been burned the percent of the body involved can be calculated as follows.