Girls (at 7 pounds, 1 ounce/3.2 kg) are a bit smaller than boys (at 7 pounds 4 ounces/3.3 kg) on arrival. In the United States, the average baby weighs about 7 pounds 3 ounces (3.3 kg) at birth. Average baby weight and length chart by month Here's more information about growth charts and understanding the results. Be sure to talk with the doctor if you have any concerns about your child's growth.įor more personalized information about how your child's size compares to other children's, and to track your child's height and weight over time, check out our child growth chart calculator. (If your child is 24 months old or younger, she'll also measure your baby's head circumference, which provides information about his growing brain). Your child's healthcare provider will weigh and measure him during each well-child visit to make sure his growth is on track.

What's more important is that your child is growing steadily. If so, don't worry – it doesn't mean there's anything wrong with your child.Ĭhildren grow at different rates, and it's normal for weight and height to vary significantly between kids of the same age.

It's likely your child's weight and height is higher or lower than the average. The numbers in these charts are just a benchmark. The charts below give you an idea of how your child's weight and height (length for babies) compare to the average weight and height of children in their age group. Lots of parents wonder whether their child is bigger or smaller than other kids their age.

Body simulator weight and height