What is the DuBois formula?

The calculation is from the formula of DuBois and DuBois: BSA = (W 0.425 x H 0.725) x 0.007184. where the weight is in kilograms and the height is in centimeters. DuBois D, DuBois EF. A formula to estimate the approximate surface area if height and weight be known.

Also, How do you calculate BMI with height and weight?

Calculating BMI Using the English System

  1. Formula: weight (lb) / [height (in)]


    x 703.
  2. Calculation: [weight (lb) / height (in) / height (in)] x 703.

Hereof, What is a normal body surface area?

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. Other influential factors include the age and gender of the individual. For example: Average body surface area for adult men: 1.9 m2.

Also to know What is Fred’s rule? Fried’s rule is a method of estimating the dose of medication for a child by dividing the child’s age in months by 150 and multiplying the result by the adult dose. Pediatric dose = child’s age in months. 150. x Adult Dose.

How do you calculate ideal body weight?

Ideal body weight is computed in men as 50 + (0.91 × [height in centimeters − 152.4]) and in women as 45.5 + (0.91 × [height in centimeters − 152.4]). A simple alternative would be to compute ideal body weight as the weight corresponding to an ideal body mass index of 22 kg/m2.

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Table of Contents

What is the easiest way to calculate BMI?

To calculate your BMI, multiply your height in inches times your height in inches. Then, divide your weight by that number. Finally, multiply that result by 705. People with a BMI of 25 or above are considered at higher risk for many health issues.

How do you calculate BMI step by step?

Follow these steps to calculate your BMI:

  1. Convert your weight from pounds to kilograms. Your weight (in pounds) ÷ 2.2 = your weight (in kilograms). …
  2. Convert your height from inches to meters. Your height (in inches) ÷ 39.37 = your height (in meters). …
  3. Calculate your Body Mass Index.

How do you calculate BMI with weight?

Body Mass Index (or BMI) is calculated as your weight (in kilograms) divided by the square of your height (in metres) or BMI = Kg/M2.

What is an example of a surface area?

Surface Area Terms Defined

For example, a sphere and a cube are three-dimensional, but a circle and a square are not. A prism is a three-dimensional shape that has non-curved sides. … The surface area of a three-dimensional shape is the sum of all of the surface areas of each of the sides.

How surface area is important in the human body?

In physiology and medicine, the body surface area (BSA) is the measured or calculated surface area of a human body. For many clinical purposes, BSA is a better indicator of metabolic mass than body weight because it is less affected by abnormal adipose mass.

What BSA is obese?

The overall BSA was 2.04 +/- 0.24 m(2): 1.81 +/- 0.19 m(2) in normal-weight, 1.99 +/- 0.16 m(2) in overweight, and 2.21 +/- 0.22 m(2) in obese subjects. These values were significantly higher in overweight and obese patients compared with the values using the DuBois-DuBois formula (overall, 2.00 +/- 0.22 m(2), P < .

What is Dilling formula?

An age-based formula for calculating the paediatric dose of a drug: (child’s age in years/20) x adult dose.

What is Cowling’s rule?

(kowl′ĭng) A method for calculation of pediatric drug dosages in which the age of the child at the next birthday is divided by 24. However, the most safe and accurate methods of pediatric dosage calculation include the weight and body surface area or both of the patient.

What are the 4 methods used in calculating pediatric doses?

Nomogram Method (Using a Child’s Body Surface Area) Friend’s Rule (Using the Child’s Age in Months) Young’s Rule (Using the Child’s Age in Years) Clark’s Rule (Child’s Weight in Pounds)

What is a good weight for 5 5 female?

Ideal Weight Chart

Male Female
5′ 4″ 117 – 143 lbs. 108 – 132 lbs.
5′ 5″
122 – 150 lbs

113 – 138 lbs.
5′ 6″ 128 – 156 lbs. 117 – 143 lbs.
5′ 7″ 133 – 163 lbs. 122 – 149 lbs.

How do you calculate weight by age?

Three simplified linear equations were derived to calculate mean weight for age. For Infants < 12 months: Weight (kg) = (age in months + 9)/2 For Children aged 1-5 years: Weight (kg) = 2 x (age in years + 5) For Children aged 5-14 years: Weight (kg) = 4 x age in years.

What is the normal weight for 25 year old woman?

American women aged 20 years and above weigh an average of 170.6 pounds (lbs), according to the Centers for Disease Control and Prevention (CDC) . Height-wise, the average adult female is 5 feet 3.7 inches, and her waist measures 38.2 inches. While these numbers may be the average, they are not a measure of health.

How do I calculate BMI manually?

The formula for BMI is weight in kilograms divided by height in meters squared. If height has been measured in centimeters, divide by 100 to convert this to meters. When using English measurements, pounds should be divided by inches squared. This should then be multiplied by 703 to convert from lbs/inches2 to kg/m2.

How do you calculate BMI percentile?

BMI is calculated using your child’s weight and height and is then used to find the corresponding BMI-for-age percentile for your child’s age and sex. BMI-for-age percentile shows how your child’s weight compares to that of other children of the same age and sex.

What is my ideal weight?

Weight and height guide chart

Height Weight
4ft 10″ (58″)
91 to 115

119 to 138 lbs.
4ft 11″ (59″) 94 to 119 lbs. 124 to 143 lbs.
5ft (60″) 97 to 123 lbs. 128 to 148 lbs.
5ft 1″ (61″) 100 to 127 lbs. 132 to 153 lbs.

What is height square inches?

Square your height in inches.

To square your height, multiply your height in inches by itself. For example, if you are 70 inches tall, then multiply 70 by 70. Your answer for this example would be 4,900.

What is the example of BMI?

The body mass index (BMI) is a measure that uses your height and weight to work out if your weight is healthy. The BMI calculation divides an adult’s weight in kilograms by their height in metres squared. For example, A BMI of 25 means 25kg/m2.

What are the categories for BMI?

How is BMI interpreted for adults?

BMI Weight Status
Below 18.5 Underweight
18.5 – 24.9 Normal or Healthy Weight
25.0 – 29.9 Overweight
30.0 and Above Obese

What is a good BMI?

BMI ranges

For most adults, an ideal BMI is in the 18.5 to 24.9 range. For children and young people aged 2 to 18, the BMI calculation takes into account age and gender as well as height and weight. … between 18.5 and 24.9 – you’re in the healthy weight range. between 25 and 29.9 – you’re in the overweight range.