Infant Chart Baby Growth Charts, Graphs and Calculators

# Weight for Age Percentile Growth Chart and Calculator

## Health Care - Pediatrician - Pediatrics - Pregnancy

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Description:
This calculator provides your baby's weight percentile based on age. The percentile shows how your infant's weight compares to other infants. The percentile tells you what percentage of babies weigh less than your baby. For example out of a sample of 100 babies, a percentile value of 40 percent means your baby weighs more than 40 babies and weighs less than the other 60 babies.

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

Instructions:
The calculator requires gender (male or female), birth date of child and weight to entered.

Inputs:
 Step Instructions Notes 1 Select Gender Male for boys Female for girls 2 Enter Birthday The date the baby was born. Select the field to pull up a calendar or use the up and down arrows to increment or decrement by days. 3 Enter Weight Enter the weight of the infant. 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 weight is manually entered.

Outputs:
 Output Parameter Notes 1 Percentile Calculated using standard normal distribution 2 Age Age of child in years, months and days. 3 Weight Weight of the baby in metric units of kilograms. 4 Graph Plot Weight versus age graph with 5, 10, 25, 50, 75, 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/.

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