After learning fetal weight chart while your baby is still in your womb, as well as how to understand the baby growth chart, you still want to know the average weight and height for babies so that you know clearly if their child is developing properly.
How large or small they are in comparison to other children the same age? The following charts list the values of kids ranging from the 25th percentile all the way to the 75th percentile for both height and weight. Because of this, the values listed in the charts apply to half of children with a quarter being smaller than these values and a quarter being larger than them.
Average Weight and Height for Newborn and Infants
At every regular checkup, your child’s doctor will measure and weigh him and let you know which percentiles he fits into. If you are concerned about your child’s height or weight, talk to your doctor about it.
Birth |
Girls |
Boys |
|
Height |
18.9 to 19.8 inches |
19.1 to 20.1 inches |
|
Weight |
6.5 to 7.8 pounds |
6.7 to 8.1 pounds |
|
3 Months |
Girls |
Boys |
|
Height |
23.0 to 24.1 inches |
23.6 to 24.7 inches |
|
Weight |
11.8 to 14.0 pounds |
13.0 to 15.2 pounds |
|
6 Months |
Girls |
Boys |
|
Height |
25.3 to 26.5 inches |
26.1 to 27.2 inches |
|
Weight |
14.8 to 17.5 pounds |
16.2 to 18.8 pounds |
|
9 Months |
Girls |
Boys |
|
Height |
27.0 to 28.3 inches |
27.7 to 28.9 inches |
|
Weight |
16.7 to 19.7 pounds |
18.2 to 21.1 pounds
|
Average Weight and Height for Toddlers
By the time children become toddler (or the terrible twos), they are moving more. They are also aware of what surrounds them and themselves as well. Toddlers at this age also have an increasing longing to explore objects that are new and people who are new as well.
12 Months |
Girls |
Boys |
|
Height |
28.5 to 29.8 inches |
29.2 to 30.5 inches |
|
Weight |
18.2 to 21.4 pounds |
19.8 to 22.9 pounds |
|
15 Months |
Girls |
Boys |
|
Height |
29.9 to 31.2 inches |
30.5 to 31.8 inches |
|
Weight |
19.5 to 23.0 pounds |
21.1 to 24.5 pounds |
|
18 Months |
Girls |
Boys |
|
Height |
31.0 to 32.5 inches |
31.7 to 33.1 inches |
|
Weight |
20.8 to 24.5 pounds |
22.4 to 26.0 pounds |
|
21 Months |
Girls |
Boys |
|
Height |
32.1 to 33.8 inches |
32.7 to 34.3 inches |
|
Weight |
22.0 to 26.0 pounds |
23.6 to 27.5 pounds |
Average Weight and Height for 2-3 Year Olds
This guide is intended to provide an estimate for common 2-3 year olds developments children reach at this age, but you will need to consider the unique context of your child’s development as you try to anticipate the changes in your child.
2 Year Olds |
|
Girls |
Boys |
Height |
33.2-34.9 inches |
33.8-35.4 inches |
|
Weight |
23.3-27.5 pounds |
24.8-28.9 pounds |
|
2 1/2 Year Olds |
|
Girls |
Boys |
Height |
34.6-36.6 inches |
35.0 - 37.0 inches |
|
Weight |
26.7 - 31.1 pounds |
27.8 - 32.2 pounds |
|
3 Year Olds |
|
Girls |
Boys |
Height |
36.0-38.1 inches |
36.5 - 38.6 inches |
|
Weight |
28.4-33.4 pounds |
29.5-34.3 pounds |
Average Weight and Height for 4-5 Year Olds
When your child hits 4 – 5 years of age, they start to become more self confident and independent. This is the stage where they begin to have a greater sense of creativity and self control as well. In terms of 4 and 5 year old development, you will notice that they become more content and can play with their own toys for much longer and are eager to learn and try out new experiences.
4 Year Olds |
|
Girls |
Boys |
Height |
38.6 - 41.0 inches |
39.2 - 41.5 inches |
|
Weight |
32.2 - 38.5 pounds |
33.3 - 39.1 pounds |
|
5 Year Olds |
|
Girls |
Boys |
Height |
41.3 - 43.8 inches |
41.7 - 44.2 inches |
|
Weight |
36.3 - 44.0 pounds |
37.5 - 44.7 pounds |
Notes: The information about average weight and height for babies is based on the World Health Organization’s data for children younger than two years old and the U.S. Centers for Disease Control and Prevention’s data for those over two.