The CDC recommends that healthcare providers use the WHO growth charts to monitor growth for infants and children ages 0 to 2 years, and use the CDC growth charts for those 2 years and older. The average newborn is 19 1/2 inches (49.5 cm) long, with girls measuring 19.4 inches (49.2 cm) and boys measuring 19.7 inches (49.9 cm). Girls (at 7 pounds, 1 ounce/3.2 kg) are a bit smaller than boys (at 7 pounds 8 ounces/3.4 kg) on arrival.

In the United States, the average baby weighs just over 7 pounds at birth.

Average baby weight and length chart by month 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 compares to other children in size, and to track your child's height and weight over time, check out our child height and weight tracker. (They'll also measure your baby's head circumference, which provides information about their growing brain). The doctor will weigh and measure your child during each well-child visit to make sure their growth is on track. What's more important is that your child is growing steadily. Children grow at different rates, and it's normal for weight and height to vary significantly between kids of the same age.

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