At some point, almost every parent wonders if their baby's weight gain is within normal range. Is she growing too fast? Not fast enough? This baby weight chart tin can help ease your mind.

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  • Girls Baby Weight Nautical chart

    Historic period
    Weight
    Length
    Nativity v.1 - 9.seven lb 17.half dozen - 21.1 in
    1 Month half-dozen.vi - 12.6 lb 19.3 - 22.nine in
    2 Months 8.iv - 15.ii lb 20.6 - 24.3 in
    three Months 9.7 - 17.two lb 21.6 - 25.5 in
    4 Months ten.6 - 19.0 lb 22.5 - 26.4 in
    five Months 11.v - xx.three lb 23.two - 27.2 in
    half dozen Months 12.1 - 21.four lb 23.viii - 28.0 in
    seven Months 12.8 - 22.5 lb 24.four - 28.half dozen in
    8 Months 13.2 - 23.4 lb 24.9 - 29.3 in
    9 Months thirteen.7 - 24.three lb 25.4 - 29.8 in
    x Months fourteen.1 - 24.ix lb 25.8 - 30.four in
    11 Months 14.6 - 25.eight lb 26.4 - xxx.9 in
    12 Months 15.0 - 26.5 lb 26.8 - 31.5 in
    15 Months 16.1 - 28.4 lb 28.0 - 33.0 in
    18 Months 17.2 - 30.iv lb 29.1 - 34.4 in
    21 Months 18.one - 32.2 lb 30.1 - 35.7 in
    24 Months 19.2 - 34.2 lb 31.1 - 37.0 in
    27 Months xx.iii - 36.two lb 31.7 - 37.eight in
    thirty Months 21.ii - 38.1 lb 32.5 - 38.9 in
    33 Months 22.0 - 39.9 lb 33.ii - 40.0 in
    36 Months 22.nine - 41.ix lb 33.9 - 40.nine in
    4 Years 26.0 - 49.8 lb 36.5 - 44.four in

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  • Boys Baby Weight Chart

    Age
    Weight
    Length
    Nascency 5.1 - 10.1 lb 17.9 - 21.four in
    1 Month vii.1 - 13.ii lb xix.8 - 23.three in
    2 Months 9.0 - xvi.three lb 21.two - 24.viii in
    3 Months 10.6 - eighteen.3 lb 22.iii - 26.one in
    iv Months 11.9 - 20.1 lb 23.2 - 27.0 in
    5 Months 12.8 - 21.4 lb 24.0 - 27.9 in
    six Months 13.v - 22.5 lb 24.6 - 28.half-dozen in
    seven Months 14.1 - 23.6 lb 25.2 - 29.2 in
    8 Months xiv.8 - 24.five lb 25.8 - 29.8 in
    9 Months fifteen.ii - 25.1 lb 26.3 - 30.4 in
    10 Months 15.vii - 26.0 lb 26.viii - 30.ix in
    11 Months sixteen.one - 26.vii lb 27.2 - 31.5 in
    12 Months 16.5 - 27.3 lb 27.half dozen - 32.0 in
    15 Months 17.6 - 29.5 lb 28.nine - 33.v in
    18 Months 18.v - 21.3 lb 29.9 - 34.eight in
    21 Months 19.six - 33.1 lb 30.nine - 36.1 in
    24 Months 20.five - 35.1 lb 31.viii - 37.4 in
    27 Months 21.iv - 36.8 lb 32.3 - 38.ii in
    30 Months 22.3 - 38.6 lb 33.one - 39.3 in
    33 Months 23.1 - 40.iii lb 33.7 - xl.3 in
    36 Months 23.8 - 42.one lb 34.four - 41.ii in
    4 Years 26.9 - 48.7 lb 37.0 - 44.five in

The information in this chart is from The World Wellness Organisation (WHO) and is for educational purposes only. This chart should non exist used equally a substitute for professional medical care. If yous have any concerns about babe's health, talk to your pediatrician right abroad.

Read on to learn everything you need to know near your baby's weight.

How Do Doctors Use a Baby Weight Chart?

At each well-child checkup, your babe is weighed and measured, and these numbers are recorded on a chart. The doctor looks at these numbers to decide if baby is growing well for his age.

Each baby is different, and not all babies will autumn directly in the middle of the nautical chart. In fact, about won't.

As long as babe is growing steadily and on the chart, there is usually no cause for business organisation.

Breastfed vs. Formula-fed: How Growth Patterns Differ

Breastfed babies gain weight differently than formula-fed babies.

  • Days i-iii: Before mom's milk comes in, breastfed babies lose about seven percent of their birth weight. Formula-fed babies, on the other hand, only lose almost 3.five percent of their birth weight.
  • 0-three months: Babies resume patterns of rapid growth after the showtime few days of life, with breastfed babies initially outpacing their formula-fed peers.
  • 3-12 months: Once baby approaches three months of historic period, formula-fed babies begin to catch up to—and fifty-fifty tend to exceed—breastfed babies.

Simply until recently, many growth charts didn't reflect this. In 2016, the CDC finally changed their charts to better reflect the growth patterns of breastfed children. (Note: The interactive nautical chart to a higher place is based on WHO babe weight charts, which accounts for breastfeeding, since globally there are more mothers who breastfeed.)

Babe Weight Nautical chart – WHO – Boys and Girls Growth Curve

Unfortunately, many pediatricians yet go by the old version of the CDC'due south charts, which can lead to defoliation if a baby does not appear to be gaining weight appropriately.This may also consequence in unnecessary supplementation with formula, introducing solids earlier than mostly recommended, or, in extreme cases, even the recommendation to finish breastfeeding altogether.

Is Your Child Low on the Baby Weight Chart?

Only because your baby is on the lower end of the calibration doesn't mean at that place'south annihilation incorrect. Average infant weight is simply that—average.

In fact, only half of babies fall between the 25th and 75th percentiles, pregnant that half of all babies autumn exterior of that "normal" range, though they are yet perfectly normal!

Paying attention to your unique child's growth curve is a amend indication of health. If babe is at the 25th percentile and then starts going downward in percentiles, that may be a business. If baby is at the 3rd percentile and continues to abound (but stays at the 3rd percentile), at that place is likely nothing to worry about.

My Babe'due south Height Doesn't Match His Weight

Not every baby will be both brusque and thin or both tall and chubby. Some are tall and thin; some are curt and chubby. This means your baby could be in the 50th percentile for weight and the 12th for height and still be considered perfectly "normal."

How Much Does the Average Baby Weigh at Birth?

The average baby girl weighs betwixt v.1-nine.7 pounds at nativity, while the average babe boy weighs between 5.1-x.ane pounds at nativity.

For girls, the 50th percentile—correct in the eye of the pack—would be almost 7.1 pounds; for boys, the 50th percentile would be about 7.3 pounds.

How Much Weight Does a Baby Gain in the Beginning Month?

The average breastfed baby will lose about vii percent of their birth weight in the first 3 days and the average formula-fed baby will lose iii.5 percentage of their nascency weight, according to one study. If baby loses more x percent, speak to your pediatrician and see a lactation consultant to make sure babe is getting plenty to eat.

Over the class of the next 2 weeks, baby should proceeds dorsum whatsoever weight lost. According to Dr. Jay Gordon, a pediatrician and author, the average baby gains 4-8 ounces per calendar week in the starting time calendar month.

What is the Normal Weight for a iii-Month-Old Infant?

The normal weight for a 3-month-one-time baby daughter is between 9.7-17.ii pounds, while the normal weight for a 3-month-one-time babe boy is betwixt 10.half dozen-18.3 pounds.

For girls, the 50th percentile—right in the middle of the pack—would be almost 12.8 pounds; for boys, the 50th percentile would be nigh 14.1 pounds.

To better understand if your baby is on track, remember of information technology this way: Almost babies will double their birthweight by about iv-5 months of historic period, and triple information technology by nearly 12 months.

My babe is Under 6 Months Old and Not Growing Well. Should I Innovate Solids?

The brusque reply is no. Solids are not recommended for babies under six months of age. The major wellness organizations, including the World Health Organization, the American Academy of Pediatrics, and American Academy of Family Physicians, all hold with this statement.

If a baby this age isn't growing well, there is oft an underlying reason that needs to be addressed, and adding solids won't set it alone (and may even cause more harm).

Wearisome weight gain may happen for many reasons, similar:

  • Baby isn't getting enough food
  • Babe isn't absorbing food fairly
  • Baby has an especially high metabolism
  • Parents are on the smaller side

A doctor who is knowledgeable most the most up-to-date information on baby weight charts and nutrition is an excellent ally when navigating baby weight issues.

What to Do If Your Child is Behind on the Growth Charts?

In that location are many things you lot can do to support baby'due south growth that are natural and healthy.

Telephone call a lactation consultant

If you're breastfeeding but baby is non gaining or growing well, that does non necessarily mean yous don't have plenty milk. Babe can only consume what he tin can remove from the chest, and if he has a bad latch or a lip or tongue tie, he can't remove milk well. Formula may be needed in the short term (because, yes, fed is best), but breastfeeding can most always work with the right support (and information technology gets easier too!). A lactation consultant is a great kickoff step to getting back on rails.

Examination your milk quality

If baby isn't gaining weight accordingly, consider sending a sample of your milk to the Lactation Lab. This service volition analyze your breast milk limerick and tell you lot how much fat is in it. If your chest milk is low in fatty, yous tin boost fat levels by adding alfalfa tablets and borage oil to your diet. You can also add food rich in omega-3s, similar salmon, walnuts, and flaxseed.

Better formula

If you do demand to supplement, you don't accept to become with a brand that contains questionable ingredients. There are better brands out there and fifty-fifty bootleg versions that tin assistance proceed infant'southward gut wellness intact and go on him growing well. (Read more about the best formula here.)

Improved nutrition

If your baby is half dozen-12 months one-time and non growing well, make certain he gets enough breast milk or formula simply likewise be sure to innovate solids for added nutrition.

Banana, avocado, squash, egg yolks, kokosnoot cream, and even pasture-raised meats are all first-class nutrient-dense foods for baby that will assistance him head north on the infant weight nautical chart.

Back up digestive wellness

You tin too support baby's digestive health, which can help him absorb nutrition more readily. Breast milk is an splendid mode to heal and soothe infant'south gut. Some babies demand added probiotics to assistance them with digestion and absorption of nutrients. (The highest rated baby probiotic on the market tin be found here.) You tin can also add an baby probiotic to baby's nutrition straight by placing a drop on your nipple, finger, or pacifier before baby starts suckling. (Learn more about baby probiotics here.) In add-on, you lot can offering fermented foods (beet kvass is piece of cake, considering information technology'due south in liquid form) as well as prebiotic foods, like under-ripe bananas, to babies over 6 months old to feed the practiced bacteria.

Try baby massage

Many studies too link baby massage with salubrious weight gain. In fact, in one study, premature babies who received a massage gained 47 percent more weight than premature babies who did non receive massage. In another study, newborns who were massaged not only gained more weight per twenty-four hour period, but also appeared more than enlightened and had increased motor skills.

Infant Weight Nautical chart: Bottom Line

Simply like a snowflake, every baby is different. As long as your babe is growing steadily along his ain curve, there is normally nothing to worry about. Simply when you practice need assistance, rest assured—there are unproblematic, natural things you can do to support infant's body in growing big, strong and healthy.

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