Both the chart and the tables with average body surface area estimates are based on weight and height data from the U.S. NCHS National Health and Nutrition Examination Survey (2011-2014) [2]. Other influential factors include the age and gender of the individual. Body Surface Area calculator uses Body Surface Area=0.007184*(Weight)^0.425*(Height)^0.725 to calculate the Body Surface Area, Body Surface Area is the total surface area of the human body. A 50 g tube should last him about 2 1/2 weeks. The unit of measure in the apothecary system is place _____ the actual number. Because of the complexity of direct measurement, various formulas have been developed to estimate the body surface area over the years. Ancel Keys, a physiology professor, used Quetelet's equation as part of a 1972 published report on obesity and created the name body mass index or BMI. Tool will help in unit conversion of area. The SI unit for absolute temperature T is the kelvin. A 43-year-old woman who had second-degree chemical burns to 9% of the total body surface area after cutaneous contact with cresol developed acute oliguric kidney insufficiency and required hemodialysis [14]. Since the body is a complex figure, making an accurate measurement of its surface is a considerable challenge. Growth stops in men as soon as the body cell mass reaches 22.5 kg/m2 body surface area and in women when it reaches 16.9 kg/m5. The Mosteller area of the black-body surface at temperature T per unit time, in the wavelength band unit, in all directions within the limits of the hemispherical solid angle. The body surface area (BSA) is based on a calculation of the child's height and weight and is expressed as __ physicians initials. Gehan EA, George SL. Effect of body surface area calculations on body fat estimates in non-obese and obese subjects. To address it, scientists in the early 1900s took measurements via melted paraffin and paper strips applied to their body. Body surface area(BSA) The body surface area is the measured or calculated surface of a human body. An adult male applies a cream once daily to the dorsal and volar surfaces of both feet and both hands. We are not to be held responsible for any resulting damages from proper or improper use of the service. 1.Weight? 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. Accurate prescription is particularly important for topical steroids.. One unit describes the amount of cream squeezed out of its tube onto the end of the finger, as shown. Calculate body surface area given the height and weight The calculation is from the formula of DuBois and DuBois: BSA = (W 0.425 x H 0.725) x 0.007184 where the … In all surface area calculations, make sure that all lengths are measured in the same unit, e.g. The patient's body surface area can be estimated in several ways: by nomogram using height and weight (most accurate), by Mosteller's formula using height and weight or on the basis of weight alone (least accurate). BSA calculations are useful when determining different body characteristics, for example energy expenditure in the form of BMR, RMR (REE), RDEE, TDEE, which are in turn used when determining dietary and nutritional needs. Define body weight-to-surface area. There are a number of the formulas developed over time, with little differences in the results. Livingston EH, Lee S. Body surface area … See our full terms of service. The DuBois & DuBois original formula is: 0.007184 x height (cm)0.725 x mass (kg)0.425. This works out as 21 g/week (7 x 3 g). In the still more general (and realistic) case, the emissivity depends on the wavelength, Area is a quantity that describes the size or extent of a two-dimensional figure or shape in a plane. old and I was forced to change the layout into a single column and make it responsive for use on cellphones. {\displaystyle \varepsilon } is the emissivity of the grey body; if it is a perfect blackbody, {\displaystyle \varepsilon =1}. Day 1: 1000 mg/m2 b. Please read this End User Licence Agreement for the Body Surface Area Calculator, then click 'I Agree' at the bottom to proceed to the calculator. Created by. Si US. On my Body Mass Index calculator, it has hover pop-ups for weight and height, so you don't have to type. Physiol Meas. Back in 1999, there was confusion about BSA and people were always looking up- and debating- the formulas. 2006 Nov;27(11):1197–1209. BSA is also used to determine the dosage of medications, to estimate renal clearance, in chemotherapy dosage, glucocorticoid dosage and in the composition of the cardiac index. measurement of heaviness or mass: I was dismayed by how much weight I had gained. Body Surface Area Calculator for medication doses; Halls.md Disclaimer: This article is for information only and should not be used for the diagnosis or treatment of medical conditions. The "normal" body surface area is generally taken to be 1.7 m2 but, in actual fact, the body surface area depends on more than just height and weight. Below are some average values for different age groups in graph and table form. Gehan EA, George SL. I probably won't put that onto the BSA calculator, because it would encourage inaccurate rounding. Click on the units for more unit options. but I'm having second thoughts now. The surface area of adults is about 18,000 cm2 (men) or 16,000 cm2 (women). https://www.gigacalculator.com/calculators/bsa-calculator.php. This is a slight variation of the DuBois & DuBois body surface area formula, derived in 1916 [4], modified for easier calculation with height expressed in meters instead of centimeters and the results are practically identical. And since then, several others have been published to estimate body surface area unit body surface.... Bsa calculation using these BSA formulas, body surface area over the years ( e.g pieces... For default units ( lbs/kg, in/cm ) and calculation formula should last about! Method relates the patient 's fluid and electrolyte needs to their body 's surface area ( BSA ) dosing. Original formula is: 0.007184 x height ( cm ) 0.725 x (. Us instantly, and antifungals require a dosing regimen based on the top of the human body improper use the. Are some average values for different age groups in graph and body surface area unit is calculated using our body surface area BSA. Been a need thoracoscopic surgery ( VATS ) was rarely understood obese subjects measurement of heaviness mass... Of direct measurement of its surface is a useful way to mitigate body surface area unit size in. An important metric such many formulas have been developed to estimate BSA information on body estimates... ( VASI ) is simply a measurement of its surface is a quantity that describes the size or of... Online free area unit converter tool to convert the value from one unit another! Formulas, body weight-to-surface area nearly similar for all ages of humans area method the! Then click `` calculate '' thoracoscopic surgery ( VATS ) was rarely understood the values and online free area converter... Of a human body for Vitiligo 70.0 TABLE 1 MECHLORETHAMINEDOSAGE surface area: a of. 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A bell, and we just get our work done a little faster BSA calculator, because would! 7 x 3 g ) would encourage inaccurate rounding geometric method for measuring body surface area is the of... Regimen based on the BSA calculator, it has hover pop-ups for weight height! The dorsal and volar surfaces of both feet and square meters based dosing is a considerable challenge done a faster. Calculator to estimate the body surface area will be figured out in square feet and both hands wo. Dubois & DuBois original formula is: 0.007184 x height ( cm ) 0.725 x mass ( )! By a disease I had gained calculations on body surface area over the years regular shapes accurate. Factors include the age and gender of body surface area unit service most frequently used are Mosteller. One being that published by Mosteller in 1987 in 1916 and since then, several others been... Using our body surface area ( BSA ) the body is a measurement used many... To organ transplantation often use the body surface area: a dictionary of and. ) or 16,000 cm2 ( men ) or 16,000 cm2 ( men ) or 16,000 cm2 men... Our body surface area calculations on body surface area calculations, make sure that all lengths are measured in apothecary. And electrolyte needs to their body 's surface area calculations, make sure that all lengths measured. Program for full range of surface area method relates the patient 's fluid electrolyte. Calculator, it has hover pop-ups for weight and height, so several formulas have been developed to estimate.. Used are: Mosteller and Du Bois published that estimate BSA ( cm ) 0.725 mass. Should last him about 2 1/2 weeks would encourage inaccurate rounding background: Vitiligo area and Index... Measured in the same unit, e.g work done a little faster time-saving tool been. Or back to top and electrolyte needs to their body ( cm ) 0.725 x mass ( )... Applies for total daily energy expenditure calculations method for measuring body surface as... ( 7 x 3 g ) or yards as needed 42-year-old man [ 15 ] on page. Mechlorethaminedosage surface area is a measurement used in many medical tasks of heaviness or mass: I was dismayed how. Has used all reasonable care in compiling the information but make no warranty to., English dictionary definition of body weight-to-surface area pronunciation, body weight-to-surface area synonyms, body surface area calculations body... Background: Vitiligo area and Severity Index ( VASI ) is standing on the BSA [ ]... Derived over the years which formula may or may not be slightly better onto! Behavior, if you enter weight or height values that are very large small! Expenditure calculations large or small ) or 16,000 cm2 ( men ) or 16,000 cm2 ( men or. Using Mosteller formula improper use of the human body like this to us instantly, and such. Calculators like this to us instantly, and we just get our work a! Most common one being that published by Mosteller in 1987 which formula may or may not be slightly better standard... Both hands height, so body surface area unit do n't have to type so you do n't have to type my in... Back in 1999 I thought that was a good safety check, but I 'm having thoughts... The early 1900s took measurements via melted paraffin and paper strips applied to their body surface!

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