In the unified States, the typical baby weighs about 7 pounds 3 ounces (3.3 kg) in ~ birth. Where does her baby loss on the development charts and what happens next? This short article covers average height and weight for children from bear to age 8, factors that influence growth, and what growth percentiles mean.

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Lots of parental wonder even if it is their son is larger or smaller than other youngsters their age. The charts below give girlfriend an idea of how your child"s weight and height (length because that babies) compare to the mean weight and also height of kids in their period group.

The numbers in this charts are just a benchmark. It"s most likely your child"s weight and height is higher or lower than the average. If so, don"t problem – the doesn"t median there"s noþeles wrong v your child.

Children prosper at various rates, and it"s normal for weight and also height to vary significantly between kids of the very same age. What"s more important is the your kid is growing steadily.

Your child"s healthcare provider will weigh and measure him during each well-child visit come make certain his growth is top top track. (If your son is 24 month old or younger, she"ll likewise measure her baby"s head circumference, which gives information about his cultivation brain). Be sure to talk v the medical professional if friend have any kind of concerns about your child"s growth.

For more personalized information about how her child"s dimension compares to various other children"s, and to track her child"s height and weight over time, inspect out our child development chart calculator.

Here"s much more information around growth charts and also understanding the results.

Average baby weight and also length chart by month

In the united States, the mean baby weighs about 7 pounds 3 ounces (3.3 kg) at birth. Girl (at 7 pounds, 1 ounce/3.2 kg) room a bit smaller 보다 boys (at 7 pounds 4 ounces/3.3 kg) top top arrival. The median newborn is 19 1/2 inch (49.5 cm) long, v girls measure up 19 customs (49 cm) and also boys measuring 19 3/4 inches (50 cm).

While many babies (both formula and also breastfed) shed weight throughout the first couple of days that life, within a pair of weeks they"re ago to their birth weight. Until 3 month of age, most babies gain about an oz each day. By period 4 months, most infants have doubled their birth weight, and also by 1 year, most have tripled it. Many babies likewise grow about 10 customs (25 cm) by their first birthday.

Keep in mind the babies and children have development spurts, too – which way that expansion isn"t always a gradual, predictable process. Just when you begin to wonder whether your child has actually grown sufficient lately, he may climb the charts!

The data in the charts below comes from the world Health company for youngsters younger than 2, and also the U.S. Centers for disease Control and Prevention for youngsters age 2 and also older.

Quick tip: because that babies born prematurely, use gestational age (not age since birth) as soon as you look at up their numbers in this chart. You can likewise find development charts especially for preterm infants here. If you have a special-needs child, your medical professional may offer you a various chart.

BirthWeight7 lb 4 oz (3.3 kg)7 lb 1oz (3.2 kg)
Length19 3/4 inch (49.9 cm)19 1/4 inch (49.1 cm)
1 monthWeight9 lb 15 oz (4.5 kg)9 lb 4 oz (4.2 kg)
Length21 1/2 in (54.7 cm)21 in (53.7 cm)
2 monthsWeight12 lb 6 oz (5.6 kg)11 lb 4 oz (5.1 kg)
Length22 3/4 in (57.9 cm)22 1/2 in (57.1 cm)
3 monthsWeight14 lb 2 oz (6.4 kg)12 lb 13 oz (5.8 kg)
Length24 in (60.8 cm)23 1/2 in (59.8 cm)
4 monthsWeight15 lb 7 oz (7 kg)14 lb 2 oz (6.4 kg)
Length25 1/4 in (63.9 cm)24 1/2 in (62.1 cm)
5 monthsWeight16 lb 9 oz (7.5 kg)15 lb 3 oz (6.9 kg)
Length26 in (65.9 cm)25 1/4 in (64 cm)
6 monthsWeight17 lb 7 oz (7.9 kg)16 lb 2 oz (7.3 kg)
Length26 1/2 in (67.6 cm)26 in (65.7 cm)
7 monthsWeight18 lb 5 oz (8.3 kg)16 lb 12 oz (7.6 kg)
Length27 1/4 in (69.2 cm)26 1/2 in (67.3 cm)
8 monthsWeight18 lb 15 oz (8.6 kg)17 lb 7 oz (7.9 kg)
Length27 3/4 in (70.6 cm)27 in (68.7 cm)
9 monthsWeight19 lb 10 oz (8.9 kg)18 lb 2 oz (8.2 kg)
Length28 1/4 in (72 cm)27 1/2 in (70.1 cm)
10 monthsWeight20 lb 5 oz (9.2 kg)18 lb 12 oz (8.5 kg)
Length29 in (73.3 cm)28 1/4 in (71.5 cm)
11 monthsWeight20 lb 12 oz (9.4 kg)19 lb 3 oz (8.7 kg)
Length29 1/4 in (74.5 cm)28 3/4 in (72.8 cm)

Want more information around how babies grow and also develop before age 1? discover out around your baby"s developmental milestones and also how lot your infant will grow in the an initial year. Friend can additionally check whether her newborn"s weight gain is healthy and balanced or not.

Typical toddler weights and also heights

Between 12 and 24 months, many toddlers grow around 4 or 5 inches (10 to 12 cm) and also gain about 5 pounds (2.27 kg). Your tiny one will begin looking an ext like a boy than a baby together he starts to slim down a bit and become much more muscular.

12 monthsWeight21 lb 3 oz (9.6 kg)19 lb 10 oz (8.9 kg)
Height30 in (75.7 cm)29 in (74 cm)
15 monthsWeight22 lb 11 oz (10.3 kg)21 lb 3 oz (9.6 kg)
Height31 in (79.1 cm)30 1/2 in (77.5 cm)
18 monthsWeight24 lb 1 oz (10.9 kg)22 lb 8 oz (10.2 kg)
Height32 1/2 in (82.3 cm)31 3/4 in (80.7 cm)
21 monthsWeight25 lb 6 oz (11.5 kg)24 lb 1 oz (10.9 kg)
Height33 1/2 in (85.1 cm)33 in (83.7 cm)
22 monthsWeight26 lb (11.8 kg)24 lb 8 oz (11.1 kg)
Height34 in (86 cm)33 1/4 in (84.6 cm)
23 monthsWeight26 lb 7 oz (12 kg)24 lb 15 oz (11.3 kg)
Height34 1/4 in (86.9 cm)33 1/2 in (85.5 cm)

Preschoolerweight and height chart

Most youngsters gain around 4.4 pounds each year between the periods of 2 years and also puberty. They also grow 3 inches (8 cm) in height between 2 and 3 years old, and 2 3/4 customs (7 cm) between 3 and also 4 year old. You could not think it to look at them, yet by 24 come 30 months, children reach fifty percent their adult height.

2 yearsWeight28 lb (12.7 kg)26 lb 11 oz (12.1 kg)
Height2 ft 11 in (87.7 cm)2 ft 10 in (86.2 cm)
2½ yearsWeight30 pounds (13.6 kg)28 lb 11 oz (13 kg)
Height3 ft (92.1cm)3 ft (91.1 cm)
3 yearsWeight31 lb 12oz (14.4 kg)30 lb 10 oz (13.9 kg)
Height3 ft 2 in (95.3 cm)3 ft 1 in (94.2 cm)
3½ yearsWeight33 lb 12 oz (15.3 kg)32 lb 14 oz (14.9 kg)
Height3 ft 3 in (99 cm)3 ft 2 in (97.6 cm)
4 yearsWeight35 lb 15 oz (16.3 kg)35 lb 1 oz (15.9 kg)
Height3 ft 4 in (102.5 cm)3 ft 4 in (101 cm)
4½ yearsWeight38 lb 6 oz (17.4 kg)37 lb 4 oz (16.9 kg)
Height3 ft 6 in (105.9 cm)3 ft 5 in (104.5 cm)

Big kidweight and height averages

Between the ages of 5 and 8 years, youngsters grow around 2 come 3 inches (5 come 8 cm) every year. They likewise gain between 4 and 7 pounds (2-3 kg) every year in between the eras of 6 and puberty.

5 yearsWeight40 lb 13 oz (18.5 kg)39 lb 11 oz (18 kg)
Height3 ft 7 in (109.2 cm)3 ft 7 in (108 cm)
6 yearsWeight45 lb 14 oz (20.8 kg)44 lb 12 oz (20.3 kg)
Height3 ft 10 in (115.7 cm)3 ft 9 in (115 cm)
7 yearsWeight51 lb 2 oz (23.2 kg)50 lb 8 oz (22.9 kg)
Height4 ft (122 cm)4 ft (121.8 cm)
8 yearsWeight56 lb 14 oz (25.8 kg)56 lb 14 oz (25.8 kg)
Height4 ft 2 in (128.1 cm)4 ft 2 in (127.8 cm)

What components can influence my child"s weight and also height?

Your child"s genes room the biggest factor determining how tall he"ll get and also how hefty he"ll be. Yet there are various other factors, too:

Gender: baby girls are frequently a tiny smaller (length and also weight) at birth than baby boys.Hormones. If your child has actually a hormone imbalance, such together low development hormone level or a low thyroid level, it might slow his growth.Medications. specific medications, such as constant use the corticosteroids, can slow growth.

What do development chart percentiles mean?

Growth charts offer you a basic idea of how your kid is growing. They use percentiles come compare your baby"s expansion to other babies of the same age and sex.

The charts below show the height and also weight (or length, for babies) for youngsters of both genders in the 50th percentile, which is the average. Anything greater means your child is bigger than average. Anything lower means he is smaller than average.

For example, if her 2-month-old daughter weighs 13 pounds, she is heavier than average. If she is 20 customs long, she is smaller sized than average.

Your doctor will generally calculate your child"s weight and height together a percentile. If your kid is in the 75th percentile because that weight, for example, that way 74 percent of children her age and also gender sweet less, and 24 percent sweet more.

Doctors generally use various growth charts depending upon your child"s age. Kids younger 보다 2 space measured making use of charts native the world Health company (WHO), i beg your pardon are based upon healthy expansion patterns for breastfed children and endorsed through the Centers for an illness Control and Prevention (CDC) and also the American Academy that Pediatrics. Once your kid turns 2, your doctor will more than likely use the CDC"s development charts.

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Learn more:

What development chart numbers really mean

Child growth Chart Calculator

The right way to measure your child

Failure to gain weight

Helping one overweight child

Chart: mean fetal length and weight

Do breastfed babies grow more slowly at first?

I"m worried my baby"s also fat

Back to every timelines »"s editorial team is cursed to giving the most helpful and trustworthy pregnancy and parenting info in the world. As soon as creating and updating content, we count on credible sources: respected wellness organizations, experienced groups that doctors and also other experts, and published studies in peer-reviewed journals. We believe you should constantly know the source of the information you"re seeing. Learn more about ours editorial and also medical review policies.

CDC. 2020. CDC development Charts. Centers for an illness Control and Prevention. Https://

CDC. 2013. Use and also interpretation of the WHO and CDC expansion charts for kids from bear to two decades in the united States. Centers for condition Control and Prevention. Https:// 2015. Just how to read a development chart: Percentiles explained. Https://

WHO. 2006. That child development standards. World Health Organization. Https://