# How do you calculate a baby’s BMI?

Contents

## What is a normal BMI for a baby?

For children, BMI is presented as a percentile, which plots the child’s BMI next to other children of the same age and sex. Falling between the 5th and 85th percentiles is considered normal and healthy.

## How do you calculate BMI with age?

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

Then, calculate BMI by dividing weight in pounds (lb) by height in inches (in) squared and multiplying by a conversion factor of 703.

## How is pediatric BMI percentile calculated?

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.

## Does BMI matter in babies?

Babies with a high body mass index (BMI) at age two months are at risk for obesity at age two years, say pediatric researchers. The authors, in an online study published in Pediatrics, say that BMI better predicts early childhood obesity than weight-for-length, the current standard measurement.

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## How much should 10 month old weigh?

Baby weight chart by age

Baby age Female 50th percentile weight Male 50th percentile weight
9 months 18 lb 2 oz (8.2 kg) 19 lb 10 oz (8.9 kg)
10 months 18 lb 11 oz (8.5 kg) 20 lb 3 oz (9.2 kg)
11 months 19 lb 4 oz (8.7 kg) 20 lb 12 oz (9.4 kg)
12 months 19 lb 12 oz (8.9 kg) 21 lb 4 oz (9.6 kg)

## How do you calculate BMI example?

Body Mass Index (BMI) = (weight (kg) / height (m2) Example: Your weight = 68 kg / Your height = 1.65 m (165 cm) BMI Calculation: 68 ÷ 1.652 = 24.98.

## What is the fastest way to calculate BMI?

To calculate your BMI, divide your weight in pounds by your height in inches squared, then multiply the results by a conversion factor of 703. For someone who is 5 feet 5 inches tall (65 inches) and weighs 150 pounds, the calculation would look like this: [150 ÷ (65)2] x 703 = 24.96.

## 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. … Likewise, an older person tends to have more body fat than a younger person with an equal BMI.

## How do I find out my BMI online?

Body Mass Index is a simple calculation using a person’s height and weight. 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. BMI applies to most adults 18-65 years.

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## How do you calculate BMI for a girl?

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

## Are male and female BMI the same?

BMI calculations are not adjusted for gender (except when they’re used for children and teens), so BMI charts are the same for adult men and women.

## Is my baby overweight?

“Baby fat” is most often healthy and normal for your little one. Most babies are not overweight, even if they look a little plump. If you think your baby’s weight is a concern, check with your pediatrician. Some factors like genetics, formula feeding, and your home environment may lead to baby weight gain.