# Frequent question: How do you calculate pediatric BMI?

Contents

## How do I calculate my child’s BMI?

Body-Mass Index Formula

1. Multiply their weight (in pounds) by 703. 184 × 703 = (A) 129,352.
2. Multiply their height (in inches) by itself. 69 × 69 = (B) 4,761.
3. Divide (A) by (B)

8.12.2020

## Is BMI calculated the same for children?

BMI is interpreted differently for children and teens even though it is calculated with the same formula. Due to changes in weight and height with age, as well as their relation to body fatness, BMI levels among children and teens are expressed relative to other children of the same sex and age.

## How is BMI percentile calculated for pediatrics?

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.

## How do you calculate BMI based on age?

The Body Mass Index (BMI) Calculator can be used to calculate BMI value and corresponding weight status while taking age into consideration.

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Category BMI range – kg/m2
Moderate Thinness 16 – 17
Mild Thinness 17 – 18.5
Normal 18.5 – 25
Overweight 25 – 30

## What is the formula for BMI calculation?

With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. Since height is commonly measured in centimeters, an alternate calculation formula, dividing the weight in kilograms by the height in centimeters squared, and then multiplying the result by 10,000, can be used.

## What is a good BMI for child?

Healthy weight: BMI is equal to or greater than the 5th percentile and less than the 85th percentile for age, gender, and height. Overweight: BMI is at or above the 85th percentile but less than the 95th percentile for age, gender, and height.

## Is BMI accurate in kids?

Experts generally consider BMI for kids to be a good measure of body fat, at least among heavier children. But in some cases it might be misleading. Athletic kids, in particular, may fall into the overweight category when they are actually muscular. Your child’s BMI is important, but it is only a piece of the picture.

## What is a healthy weight for my child?

Your child is a healthy weight if their BMI for age and sex is from the 5th to below the 85th percentile. A child below the 5th percentile is below a healthy weight (underweight), and a child at the 85th percentile and above is above a healthy weight.

## What is my child’s percentile?

A percentile shows the relative position of the child’s BMI, Weight, or Height among children of the same sex and age. For example, a boy at the 25th percentile for weight weighs more than 25% of boys his age. If a girl is at the 40th percentile for weight, she weighs more than 40% of girls at that same age.

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## How do you calculate BMI percentile?

BMI = body mass / height² , Weight and height need to be in SI units (kilograms and metres respectively), as the BMI units are kg/m2. Remember that you can switch between the units directly in our BMI percentile calculator, or use any of our converters.

## What is a good BMI?

BMI Weight Status
Below 18.5 Underweight
18.5—24.9 Normal
25.0—29.9 Overweight
30.0 and Above Obese

## What BMI percentile is age?

What Is BMI-for-Age Percentile? The BMI-for-age percentile provides a comparison of one child’s BMI value to other children who are the same age and sex. BMI value and BMI-for-age percentile are NOT the same.

## Does age affect BMI?

For adults ages 20 years and older, BMI incorporates weight and height, but it does not take age or sex into account. A woman tends to have more body fat than a man with the same BMI. Likewise, an older person tends to have more body fat than a younger person with an equal BMI.

## 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 much should a 5’2 female weigh?

Height and Weight Chart

Height Weight
5′ 97 to 127 lbs. 128 to 152 lbs.
5′ 1″ 100 to 131 lbs. 132 to 157 lbs.
5′ 2″ 104 to 135 lbs. 136 to 163 lbs.
5′ 3″ 107 to 140 lbs. 141 to 168 lbs.
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