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Height & Weight Chart for Boys Girls: 5 Factors Affecting Them

Whether your baby is on the leaner side or the chubbier side, no matter if they are taller or shorter, as parents, we end up at some point worrying about their height and weight and wondering if they are growing well. Although, as long as any child is eating well, has a healthy gut and is active, there is nothing to worry about. Having said that, it is always good to keep an eye on the growth and know the benchmarks when it comes to the ideal height and weight a child should have. This article will help you understand the factors that affect the height and weight and ideal baby height and baby weight chart for kids of different ages.  

Length & Baby Weight Chart – Newborn To 1 Year

Newborn kids are measured in length; as for the initial months, they still can not stand tall. In India, the average birth weight of a newborn baby is between 2.8 KGs to 3 Kgs. This would differ in the case of the premature babies of post-term babies. The following chart shows the height and baby weight chart in KG average for boys and girls in India as per WHO in their first year.(1) 

Newborn - 1 Year Chart

Boys

Girls

Months

Weight (KGs)

Length (CMs)

Weight (KGs)

Length (CMs)

0

2.5 – 4.3

46.3 – 53.4

2.4 – 4.2

45.6 – 52.7

1

3.4 – 5.7

54.7 – 58.4

3.2 – 5.4

50.0 – 57.4

2

4.4 – 7.0

54.7 – 62.2

4.0 – 6.5

53.2 – 60.9

3

5.1 – 7.9

57.6 – 65.3

4.6 – 7.4

55.8 – 63.8

4

5.6 – 8.6

60.0 – 67.8

5.1 – 8.1

58.0 – 66.2

5

6.1 – 9.2

61.9 – 69.9

5.5 – 8.7

59.9 – 68.2

6

6.4 – 9.7

63.6 – 71.6

5.8 – 9.2

61.5 – 70.0

7

6.7 – 10.2

65.1 – 73.2

6.1 – 9.6

62.9 – 71.6

8

7.0 – 10.5

66.5 – 74.7

6.3 – 10.0

64.3 – 73.2

9

7.2 – 10.9

67.7 – 76.2

6.6 – 10.4

65.6 – 74.7

10

7.5 – 11.2

67.7 – 76.2

6.8 – 10.7

66.8 – 76.1

11

7.4 – 11.5

70.2 – 78.9

7.0 – 11.0

68.0 – 77.5

12

7.8 – 11.8

71.3 – 80.2

7.1 – 11.3

69.2 – 78.9

 

Height & Weight Chart for Toddlers

After their first birthday, babies start to look leaner but still gain constant healthy weight. Kids grow between 10 – 12 cms between their first and second birthday and gain more than 2 KGs weight. The following chart shows the kids' height weight chart average for boys and girls in India in their second year.

2nd Year Growth Chart

Boys

Girls

Months

Avg. Weight (KGs)

Avg. Length (CMs)

Avg. Weight (KGs)

Avg. Length (CMs)

13

9.9

76.9

9.2

75.2

14

10.1

78.1

9.4

76.4

15

10.3

79.2

9.5

77.5

16

10.5

80.2

9.8

78.6

17

10.7

81.3

10

79.7

18

10.9

82.3

10.2

80.7

19

11.1

83.2

10.4

81.7

20

11.4

84.2

10.7

82.7

21

11.6

85.1

10.9

83.7

22

11.8

86.1

11.1

84.6

23

12

86.9

11.3

85.5

24

12.7

90.6

12.1

86

Height & Weight Chart for Preschoolers

By the time a child is 30 months ( 2.5 years old), they reach half their adult height. Thus, you can tell vaguely how tall your child would be as an adult by that time. Kids gain about 2 KGs of weight every year from the age of two till they hit puberty. They usually grow eight cms taller by the time they are three and an additional 7 cms by the time they are 4. Here is a ready reference children's weight chart for your preschooler.

If your baby is two years old, now is the time you would ideally start thinking about potty training them. And for potty training, you need the best potty training pants for your baby to achieve this milestone with ease and comfort. 

Preschooler Growth Chart

Boys

Girls

Age

Avg. Weight (KGs)

Avg. Length (CMs)

Avg. Weight (KGs)

Avg. Length (CMs)

2 Years

12.7

86.5

12.1

85

2.5 Years

13.6

91.3

13

90.3

3 Years

14.4

95.3

13.9

94.2

3.5 Years

15.3

99

14.9

97.7

4 Years

16.3

102.5

15.9

101

4.5 Years

17.4

105.9

16.9

14.5

 

Height & Weight Chart For Big Kids

As kids grow and approach puberty, their height growth slows down. Between the ages of 5 – 8, kids usually grow about 5 – 8 cms per year and gain between 2 – 3 KGs weight per year. 

The following baby height & baby weight chart will help you understand the average height & weight growth for big kids. 

Big Kids Growth Chart

Boys

Girls

Age

Avg. Weight (KGs)

Avg. Length (CMs)

Avg. Weight (KGs)

Avg. Length (CMs)

5 Years

18.5

109.2

18

108

6 Years

20.8

115.7

20.3

115

7 Years

23.2

122

22.9

121.8

8 Years

25.8

128.1

25.8

127.8

 

How Are Babies Measured

It is the same whether you refer to the length of a baby still in a lying down position or the height of a baby who can stand up still. Babies are measured from the top of their heads to the tip of their toes. So your paediatrician would track the height/length of the baby along with their weight and head circumference closely during every checkup and track in a chart provided to you at birth. This ensures that any anomaly or concerns are identified and addressed in time. 

Factors Affecting Height & Weight

The most significant factor determining your baby's height & weight are the genes that you and your partner pass on to them. But several other factors affect them. (2)

▪ Gestation Age At Birth – The initial weight and length of a baby also depend on the birth time. Premature babies are on the smaller side, while babies born post-term are on the heavier side at birth. 

▪ Hormones – If your child has any hormonal imbalance, e.g. low Thyroid levels, this can result in slower growth and thus lesser than the average height and length of the baby. Sometimes hormones of the mother while expecting a baby also affects the baby. Therefore, it is crucial to get these checked up from time to time and take medication timely during pregnancy if required. 

▪ Mother's Pregnancy Health – Factors like smoking or consuming alcohol during pregnancy, gestational diabetes, weight gain during pregnancy, activity level etc., of the expecting mother also impact the baby's growth while inside the womb.  

▪ Breastfed Vs. Formula Fed – Although this is no measure of their overall health, in the first year, formula-fed babies gain more weight than exclusively breastfed babies. However, there is no significant difference once they are solids and animal milk.  

▪ Sleep – Studies show that uninterrupted and sound sleep helps kids grow better. Thus kids who sleep well vs kids who have restless and disturbed sleep might have a bit of difference in their height and weight.You can try swaddling your baby in SuperBottoms Mulmul Swaddles for comfortable and uninterrupted sleep. 

What If Baby's Growth Patterns Have A Sudden Change? 

If suddenly, for no known reason, your baby's weight or height growth slows down, or if your baby is not gaining weight, losing weight, or if there is a sudden spurt of height or weight growth, this needs to be brought to the notice of your baby's pediatrician immediately. 

This might not be a reason for concern and might be a growth spurt. But when it comes to babies, it is always better to know and act in time. 

What Do Growth Chart Percentile Mean

The WHO provided length and baby weight chart for babies up to the age of one year is shown in percentile instead of an average. This covers the data of many kids of the same age and sex in different geographical regions. Thus, the percentile system shows the whole range in which a child can fall at a particular age and sex. Therefore, your child is perfectly fit even if they are on the chart's lowest or highest percentile. 

What If Your Baby's Height & Weight Are Not In Percentile Range 

As mentioned in the above section, the chart with percentile is the data collected for babies of the same age and sex averaged out. AT times some children do not fall in the range. They may be below the 10th percentile or above the 90th percentile. This depends on many other factors also, like genetics and height and weight of the parents etc. If your child is below the 10th percentile or above the 90th percentile, it is advised to bring this to the notice of a pediatrician so that any required actions can be taken timely. 

No two kids are ever the same! This applies when it comes to the height and weight of your baby too. Do not compare them with other kids their age. As we read in this article, many factors affect the growth of each child, and each one of them can have a different build.

Some Questions Parents Frequently Ask

Q1 – My baby is on a leaner side. How do I help them gain weight?

The weight and build of a child depend on many factors, the food intake being just one of those factors. If your baby is active, poop/pee count and consistency are OK; then you should be worried about nothing. 

Q2 – I am not gaining too much weight in my pregnancy. Will my child be underweight at birth? 

This might not necessarily be true. During your ultrasound, if the baby's growth is showing fine, even if the mother is not gaining weight, the baby could be healthy during birth. During pregnancy, slow weight gain for a mother could also mean that she is not gaining fat or is losing fat, but the baby is growing well and getting the required nutrition. 

Q3 – Does the same growth chart apply in the case of premature babies? 

Yes, the same growth baby height & baby weight chart applies in the case of premature babies as well. However, as premature babies are born before the term, in their case, month zero is considered the actual date of a full-term pregnancy. 

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