How to Calculate Your Child’s Body Mass Index?

Do you often worry about your child’s weight? Do you think that your child is either too fat or too thin? If you do, you need to know your child’s Body Mass Index or BMI, so you would determine whether your child’s weight is right for his or her age and height.

The Body Mass Index for kids is also known as BMI-for-age because it is age and gender specific. This index is calculated from ages two to 20 years old. There is a separate chart for boys and girls because each gender has different body fat content, as they grow older.

There are many ways on how you can determine if your child is obese or overweight. But the fastest way of figuring whether your child is healthy or not is through the help of body mass index. In calculating your child’s BMI, you need to determine your child’s weight in kilograms and his or her height in meter Age calculator .

When you have this data, you may now start calculating using the BMI formula. First you need to multiply the height per meter by itself. Using this example, if your child’s height is 1.05 meter, you need to multiply it by itself, so it will become 1.10 meter.

Once, you got the result, you have to use it as a denominator to kilograms. For example, if the child’s weight is 15.2 kg, you have to divide it by 1.10 meter, so the BMI is 13.81. After getting the result, you may now refer to the Body Mass Index for Age Percentile for ages 2 to 20 years. You have to take note that there are separate chart for boys and girls.

The healthcare professionals are using the established percentile chart for BMI to determine whether the child is underweight and or overweight. Those whose index falls below 5th percentile are classified as underweight. Meanwhile, those who are in between 85th to 95th percentile are considered to be at risk of overweight. Those having 95th percentile and above are classified as overweight.

As your child reaches preschool years, the Body Mass Index decreases, then it will then increase once they reach adulthood. This is the pattern of growth as your child matures. Aside from determining whether your child is underweight or overweight, this index is also used as a basis to determine whether your child is at risk of having type 2 diabetes.

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