Calculate BMI
This is a simple
number that corresponds with body fat, derived from an
equation based on your child's height and weight.
Calculate BMI using the following formula:
1. Child's weight in pounds = (A)
2. (A) divided by 2.2 = (B) kilograms.
3. Child's height in inches: _____ X 2.54, divided
by 100 = (C) meters.
4. Weight in kilograms (B) divided
by (C)x(C) = ______ BMI
In
conjunction with your child's pediatrician, you'll need
to ascertain how overweight your child is and what is
the risk of his/her becoming an overweight adult.
Plotting your child's weight
and height on a growth chart helps a doctor determine
what percentile best describes your child in
relation to other children in the same age group.
Ideal body weight corresponds exactly to height
percentile. For example, if your child is at the 60th
percentile in height, he should be at the 60th
percentile for weight. If his height is at the 60th
percentile while his weight falls into the 70th
percentile, then he is 10 percent above the ideal
weight.
Children who weigh 20 percent more than their ideal
weight are classified as overweight. Those 40 percent or
more above their ideal weight are considered clinically
obese. Your doctor will use special charts called Body
Mass Index Percentiles to determine overweight or
obesity. Keep in mind that for every inch your
child grows, it is normal to gain an average of three to
five pounds.
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