Description:
This calculator provides your child's weight percentile based on stature. Stature is upright height or standing straight height. The percentile shows how your child's weight compares to other children of the same height. The percentile tells you what percentage of children weigh less than your child. For example out of a sample of 100 children, a percentile value of 40 percent means your child weighs more than 40 children and weighs less than the other 60 children.

A percentile of 50% represents the average or mean weight. A value below 50 percent means a child weighs less than the average. A value greater than 50 percent means a child is above average. This does not mean your child is overweight or underweight. A doctor or physician should be consulted to determine weight status.

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Instructions:
The calculator requires gender, length and weight of the child to be to entered.

Inputs:

Step	Instructions	Notes
1	Select Gender	Male for boys Female for girls
2	Enter Stature	Enter the stature of the child. Note, the units tabs allows the change or selection of inches (standard) or centimeters (metric).
3	Enter Weight	Enter the weight of the child. Note, the units tabs allows the change or selection of pounds (standard) or kilograms (metric).
4	Press Calculate button	This is only needed to when the stature or weight is manually entered.

Output	Parameter	Notes
1	Percentile	Calculated using standard normal distribution
2	Length	Length of the child in centimeters.
3	Weight	Weight of the child in metric units of kilograms.
4	Graph Plot	Weight versus length graph with 5, 10, 25, 50, 75, 85, 95 and calculated percentile lines.

Reference:
Centers for Disease Control and Prevention (CDC). National Center for Health Statistics (NCHS). National Health and Nutrition Examination Survey Data. Hyattsville, MD: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, 2008 http://www.cdc.gov/growthcharts/.