Infant Chart Baby Growth Charts, Graphs and Calculators


Length for Age Percentile Growth Chart and Calculator

Infants and Babies from 0 (birth) to 3 years of age

Health Care - Pediatrician - Pediatrics - Pregnancy

Note: If your child is older than 24 month and can stand on their own unassisted use
Height or Stature for Age
for 2 to 20 year olds. Otherwise use the program below.




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Description: This calculator provides your baby's length or height percentile based on age. The percentile shows how your infant's length compares to other infants. The percentile tells you what percentage of babies measure less than your baby. For example out of a sample of 100 babies, a percentile value of 45 percent means your baby measures more than 45 babies and measures less than the other 55 babies.

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


Instructions:
The calculator requires gender (male or female), birth date of child and length 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 Length
Enter the length of the infant. Note, the units tabs allows the change or selection of inches (standard) or centimeters (metric).
4
Press Calculate button
This is only needed to when the length 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
Length
Length of the baby in metric units of centimeters.
4
Graph Plot
Length 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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Infants and babies (0 to 3 years of age): Children and Teens (2 to 20 years of age):