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A major challenge in identifying infants at highest risk for obesity is that there is currently no accepted definition for excess adiposity in infants under age 2 years. BMI is used to assess obesity in children and adults,6 and the World Health Organization (WHO) has published BMI standards for infants.

## How do you calculate BMI for infants?

To calculate your child’s BMI:

- Take your child’s weight in pounds. (For example, 37 pounds, 4 ounces becomes 37.25.)
- Divide that number by 2.2. (So, 37.25 divided by 2.2 equals 16.9 kilograms.).
- The resulting number is your child’s weight in kilograms.

## What age can you use BMI?

BMI-for-age is the measure that can be used continuously from age 2 to 20 years to screen for obesity, overweight, or underweight. BMI-for-age is not recommended for use in the United States before 2 years of age to screen for overweight, obesity, or underweight.

## How do you calculate pediatric BMI?

Body Mass Index (BMI) is a number calculated from weight and height (weight[kg]/height[m]²).

## What is a good BMI for a baby?

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.

## What is a healthy baby percentile?

A baby on the 50th percentile for weight, for example, is right in the middle of the normal range: 50% of babies their age are lighter, and 50% are heavier. A baby on the 5th percentile weighs less than 95% of other babies of that age. A baby on the 90th percentile weights more than 90% of other babies that age.

## Is a BMI of 17 good for a child?

A child whose BMI is between the 5th percentile to 85th percentile is in the healthy weight range. A child with a BMI below the 5th percentile is considered underweight.

## Is age important for BMI?

Share on Pinterest BMI incorporates height and weight but not body composition, fitness, age, or sex. For adults ages 20 years and older, BMI incorporates weight and height, but it does not take age or sex into account.

## How much should a 13 year old weigh?

The average weight for a 13-year-old boy is between 75 and 145 pounds, while the average weight for a 13-year-old girl is between 76 and 148 pounds. For boys, the 50th percentile of weight is 100 pounds. For girls, the 50th percentile is 101 pounds.

## How do you calculate BMI formula?

The formula is BMI = kg/m2 where kg is a person’s weight in kilograms and m2 is their height in metres squared. A BMI of 25.0 or more is overweight, while the healthy range is 18.5 to 24.9.

## How do you calculate BMI example?

Description

- Formula: weight (kg) / [height (m)]2 With the metric system, the formula for BMI is weight in kilograms divided by height in meters squared. …
- Example: Weight = 68 kg, Height = 165 cm (1.65 m)
- Calculation: 68 ÷ (1.65 x 1.65) = 24.98.

## 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 weight should I be for my age?

Weight and height guide chartHeightWeight5ft 2″ (62″)104 to 131 lbs.136 to 158 lbs.5ft 3″ (63″)107 to 135 lbs.141 to 163 lbs.5ft 4″ (64″)110 to 140 lbs.145 to 169 lbs.5ft 5″ (65″)114 to 144 lbs.150 to 174 lbs.Ещё 17 строк

## What should my child’s weight be?

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.

## Is a BMI of 14 bad?

A person with a BMI of 10 or 11 is definitely skinny, but probably OK if they have a small frame. A BMI of 12-13 is good for a person with an average build, and a large-framed person would still be healthy with a BMI of 14. Past that, unless you’re a super muscular athlete, you probably need to lose a few pounds.