The average height of children by age
11 mins read

The average height of children by age

The journey of parenthood is an extraordinary adventure, marked by an array of delightful moments and, of course, the occasional trials and tribulations. Amidst this rollercoaster ride, one of the paramount concerns for every parent is the well-being and healthy development of their precious child. A crucial component of this parental voyage involves comprehending the typical height milestones that children reach as they journey through the various phases of their early years.

What might escape the notice of many is that these height landmarks diverge between boys and girls, introducing an additional layer of intricacy to the already intricate task of raising children. Nevertheless, this distinction is a valuable tool in evaluating your child’s progress and devising an appropriate healthcare strategy to nurture their overall health and future potential. In this exploration, we shall embark on an illuminating journey into the realm of child growth, shedding light on how this knowledge can provide parents with the insight needed to make well-informed decisions concerning their child’s health and future prospects.

Why Monitoring a Child’s Height and Weight Matters

Ensuring the well-being and healthy development of a growing child is a top priority for parents and caregivers. One of the essential aspects of achieving this goal is keeping a close eye on a child’s height and weight. Regularly tracking these metrics on a monthly and quarterly basis holds significant importance for several reasons:

  1. Understanding Developmental Progress

During the formative years of a child’s life, rapid growth is a natural and vital part of their development. To aid parents in comprehending and tracking this progression, the World Health Organization (WHO) has meticulously researched and established standardized height and weight charts tailored to different age groups. These charts serve as valuable tools, allowing parents to assess their child’s growth and determine whether it aligns with the established benchmarks. This proactive monitoring provides parents with valuable insights into their child’s developmental progress, offering a clear picture of whether they are reaching the expected milestones for their age.

  1. Assessing Health Status

Height and weight deviations from the expected norms can function as critical indicators of a child’s overall health. Whether a child falls below or exceeds the anticipated measurements, these variations can signal underlying health concerns. By consistently monitoring a child’s height and weight, parents can stay well-informed about their child’s health status. Armed with this knowledge, parents can promptly address any potential health issues, ensuring their child’s well-being. Early detection of health concerns can lead to timely interventions and improved outcomes.

  1. Tailoring Growth Plans

Close tracking of a child’s height and weight growth trajectory empowers parents to evaluate the effectiveness of their current strategies for promoting healthy growth. With a comprehensive understanding of their child’s development, parents can fine-tune their approaches to optimize their child’s height and achieve a healthy weight. This adaptability in growth strategies is essential to providing the best opportunities for a child’s well-rounded development.

Formula to calculate standard height and weight of children

The standard height and weight for children can be calculated using specific formulas based on their age. These calculations provide a reference for assessing whether a child’s growth aligns with the expected standards. Additionally, the Body Mass Index (BMI) can be used as an indicator of a child’s current height and weight status in relation to age-appropriate norms. Here are the formulas:

Standard Weight Calculations:

  • For Children Under 6 Months Old: Ideal Weight (kg) = Birth Weight (kg) + (Number of Months Old x 0.6)
  • For Children Between 7 Months and 12 Months Old: Ideal Weight (kg) = Birth Weight (kg) + 3.6 + [0.5 x (Number of Months Old x 0.6)]
  • For Children Between 2 and 12 Years Old: Ideal Weight (kg) = 8 + (Years of Age x 2)

BMI Calculation:

The BMI (Body Mass Index) for children can be calculated using the formula: BMI = Weight (kg) / (Height (m) * Height (m))

After obtaining the child’s BMI, parents can then compare it to a BMI growth chart specific to the child’s age. This chart will help determine whether the child’s BMI falls within the expected range for their age.

Children’s standard height and weight table

Below is a table of standard height and weight for children and adolescents under 18 years of age. Through that, you can determine whether your child has reached the standard height, weight for age or not.

Infancy stage

Age

Normal development

Malnutrition

Overweight

Weight

Height

Weight

Height

Newborn

3.2 kg

49.1 cm

2.4 kg

45.4 cm

4.2 kg

1 month

4.2 kg

53.7 cm

3.2 kg

49.8 cm

5.5 kg

2 months

5.1 kg

57.1 cm

3.9 kg

53.0 cm

6.6 kg

3 months

5.8 kg

59.8 cm

4.5 kg

55.6 cm

7.5 kg

4 months

6.4 kg

62.1 cm

5.0 kg

57.8 cm

8.2 kg

5 months

6.9 kg

64.0 cm

5.4 kg

59.6 cm

8.8 kg

6 months

7.3 kg

65.7 cm

5.7 kg

61.2 cm

9.3 kg

7 months

7.6 kg

67.3 cm

6.0 kg

62.7 cm

9.8 kg

8 months

7.9 kg

68.7 cm

6.3 kg

64.0 cm

10.2 kg

9 months

8.2 kg

70.1 cm

6.5 kg

65.3 cm

10.5 kg

10 months

8.5 kg

71.5 cm

6.7 kg

66.5 cm

10.9 kg

11 months

8.7 kg

72.8 cm

6.9 kg

67.7 cm

11.2 kg

12 months

8.9 kg

74.0 cm

7.0 kg

68.9 cm

11.5 kg

Standard height and weight chart for girls from 0-12 months old

Age

Normal development

Malnutrition

Overweight

Weight

Height

Weight

Height

Newborn

3.3 kg

49.9 cm

2.5 kg

46.1 cm

4.4 kg

1 month

4.5 kg

54.7 cm

3.4 kg

50.8 cm

5.8 kg

2 months

5.6 kg

58.4 cm

4.3 kg

54.4 cm

7.1 kg

3 months

6.4 kg

61.4 cm

5.0 kg

57.3 cm

8.0 kg

4 months

7.0 kg

63.9 cm

5.6 kg

59.7 cm

8.7 kg

5 months

7.5 kg

65.9 cm

6.0 kg

61.7 cm

9.3 kg

6 months

7.9 kg

67.6 cm

6.4 kg

63.3 cm

9.8 kg

7 months

8.3 kg

69.2 cm

6.7 kg

64.8 cm

10.3 kg

8 months

8.6 kg

70.6 cm

6.9 kg

66.2 cm

10.7 kg

9 months

8.9 kg

72.0 cm

7.1 kg

67.5 cm

11.0 kg

10 months

9.2 kg

73.3 cm

7.4 kg

68.7 cm

11.4 kg

11 months

9.4 kg

74.5 cm

7.6 kg

69.9 cm

11.7 kg

12 months

9.6 kg

75.7 cm

7.7 kg

71.0 cm

12.0 kg

Standard height and weight chart for boys from 0-12 months old

0-5 years old

Age

Normal development

Malnutrition

Overweight

Weight

Height

Weight

Height

15 months

10.3 kg

79.1 cm

8.3 kg

74.1 cm

12.8 kg

18 months

10.9 kg

82.3 cm

8.8 kg

76.9 cm

13.7 kg

21 months

11.5 kg

85.1 cm

9.2 kg

79.4 cm

14.5 kg

2 years old

12.2 kg

87.1 cm

9.7 kg

81.0 cm

15.3 kg

2.5 years old

13.3 kg

91.9 cm

10.5 kg

85.1 cm

16.9 kg

3 years old

14.3 kg

96.1 cm

11.3 kg

88.7 cm

18.3 kg

3.5 years old

15.3 kg

99.9 cm

12.0 kg

91.9 cm

19.7 kg

4 years old

16.3 kg

103.3 cm

12.7 kg

94.9 cm

21.2 kg

4.5 years old

17.3 kg

106.7 cm

13.4 kg

97.8 cm

22.7 kg

5 years old

18.3 kg

110.0 cm

14.1 kg

100.7 cm

24.2 kg

Standard height and weight chart for girls from 15 months to 5 years old

Age

Normal development

Malnutrition

Overweight

Weight

Height

Weight

Height

15 months

9.6 kg

77.5 cm

7.6 kg

72.0 cm

12.4 kg

18 months

10.2 kg

80.7 cm

8.1 kg

74.9 cm

13.2 kg

21 months

10.9 kg

83.7 cm

8.6 kg

77.5 cm

14.0 kg

2 years old

11.5 kg

86.4 cm

9.0 kg

80.0 cm

14.8 kg

2.5 years old

12.7 kg

90.7 cm

10.0 kg

83.6 cm

16.5 kg

3 years old

13.9 kg

95.1 cm

10.8 kg

87.4 cm

18.1 kg

3.5 years old

15.0 kg

99.0 cm

11.6 kg

90.9 cm

19.8 kg

4 years old

16.1 kg

102.7 cm

12.3 kg

94.1 cm

21.5 kg

4.5 years old

17.2 kg

106.2 cm

13.0 kg

97.1 cm

23.2 kg

5 years old

18.2 kg

109.4 cm

13.7 kg

99.9 cm

24.9 kg

Table of height and weight standard for boys from 15 months to 5 years old

5-10 years old

Age

Normal development

Malnutrition

Overweight

Weight

Height

Weight

Height

5 years old

18.3 kg

110.0 cm

14.1 kg

100.7 cm

24.2 kg

5.5 years old

19.4 kg

112.9 cm

15.0 kg

103.4 cm

25.5 kg

6 year old

20.5 kg

116.0 cm

15.9 kg

106.1 cm

27.1 kg

6.5 years old

21.7 kg

118.9 cm

16.8 kg

108.7 cm

28.8 kg

7 years old

22.9 kg

121.7 cm

17.7 kg

111.2 cm

30.7 kg

7.5 years old

24.1 kg

124.5 cm

18.6 kg

113.6 cm

32.6 kg

8 years old

25.4 kg

127.3 cm

19.5 kg

116.0 cm

34.7 kg

8.5 years old

26.7 kg

129.9 cm

20.4 kg

118.3 cm

37.0 kg

9 years old

28.1 kg

132.6 cm

21.3 kg

120.5 cm

39.4 kg

9.5 years old

29.6 kg

135.5 cm

22.2 kg

122.8 cm

42.1 kg

10 years old

31.2 kg

137.8 cm

23.2 kg

125.0 cm

45.0 kg

Standard height and weight chart for girls from 5-10 years old

Age

Normal development

Malnutrition

Overweight

Weight

Height

Weight

Height

5.5 years old

19.1 kg

112.2 cm

14.6 kg

102.3 cm

26.2 kg

6 year old

20.2 kg

115.1 cm

15.3 kg

104.9 cm

27.8 kg

6.5 years old

21.2 kg

118.0 cm

16.0 kg

107.4 cm

29.6 kg

7 years old

22.4 kg

120.8 cm

16.8 kg

109.9 cm

31.4 kg

7.5 years old

23.6 kg

123.7 cm

17.6 kg

112.4 cm

33.5 kg

8 years old

25.0 kg

126.6 cm

18.6 kg

115.0 cm

35.8 kg

8.5 years old

26.6 kg

129.5 cm

19.6 kg

117.6 cm

38.3 kg

9 years old

28.2 kg

132.6 cm

20.8 kg

120.3 cm

41.0 kg

9.5 years old

30.0 kg

135.5 cm

22.0 kg

123.0 cm

43.8 kg

10 years old

31.9 kg

138.6 cm

23.3 kg

125.8 cm

46.9 kg

Standard height and weight chart for boys from 5-10 years old

10-18 years old period

male

Age

Female

Height

Weight

Height

Weight

138.4 cm

32 kg

10 years old

138.4 cm

31.9 kg

143.5 cm

35.6 kg

11 years old

144 cm

36.9 kg

149.1 cm

39.9 kg

12 years old

149.8 cm

41.5 kg

156.2 cm

45.3 kg

13 years old

156.7 cm

45.8 kg

163.5 cm

50.8 kg

14 years old

158.7 cm

47.6 kg

170.1 cm

56.0 kg

15 years old

159.7 cm

52.1 kg

173.4 cm

60.8 kg

16 years old

161.5 cm

53.5 kg

175.2 cm

64.4 kg

17 years old

162.5 cm

54.4 kg

175.7 cm

66.9 kg

18 years old

163 cm

56.7 kg

Standard height and weight table for men and women from 10-18 years old

Exploring the Factors Shaping a Child’s Height

When it comes to understanding the factors influencing a child’s height, a complex interplay of genetics, environment, lifestyle, and nutrition emerges. Delving into these key determinants, we uncover a comprehensive picture of height development.

1. Genetic Blueprint: The Foundation

Genetics forms the cornerstone of height determination, contributing to more than 20% of a child’s growth potential. While a child inherits their height potential from their parents, genetics merely sets the stage. With proper care and early-life nutrition, children can maximize their growth, even if their genetic inheritance might suggest otherwise.

2. Environmental Influences: Nurturing or Impeding Growth

The environment in which a child grows up can significantly affect their height. Polluted or socioeconomically disadvantaged environments can hinder height potential by impacting the production of growth hormones. Stress and toxic surroundings can disrupt the intricate dance of hormones necessary for optimal bone growth.

3. Sleep: The Crucial Role of Rest

Adequate sleep is a critical component of height development. During slumber, growth hormones are synthesized most actively. Chronic sleep deprivation can gradually erode a child’s natural height potential over time, making quality rest a non-negotiable factor in the journey toward reaching one’s full height.

4. Physical Activity: The Building Blocks of Height

Regular physical exercise plays a pivotal role in height growth. It stimulates bone mineralization and modeling, boosting bone density and supporting optimal height development. Activities involving jumping can be particularly beneficial for lengthening bones, although it’s essential to strike a balance, as excessive and strenuous exercises can harm bones and hinder growth.

5. Nutritional Fuel: The Key to Height

Nutrition serves as the vital fuel for natural height growth. A well-balanced diet provides the raw materials necessary for bone formation and maintenance of bone density. Insufficient nutrient intake doesn’t only impact overall health but also stifles height development. Ensuring a healthy diet and considering nutrient supplementation is essential for children striving to attain their ideal height.

In addition to daily nutrition, the introduction of height-enhancing functional foods can be a simple, effective, and safe approach. These foods offer a combination of nutrients designed to promote strong and lengthy bone growth.

By gaining insights into the average height of children by age and comprehending these influential factors, parents can take proactive steps to support their children in reaching their age-appropriate height standards. Height isn’t just a physical attribute; it plays a crucial role in shaping a child’s confidence and future success.

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