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Proper weight and height for age
With obesity and its related problems like heart diseases and high blood pressure on the rise nowadays, people all over the world are increasingly concerned about their weight and overall health. It is a known fact that maintaining proper weight based on one's height and age is a prerequisite in order to stay healthy in the long run.

Answers to common fitness questions like how much should my ideal weight be for being healthy, or is my weight in sync with my height, can help in judging whether you are fit, underweight or overweight. In this article, we look at the ideal weight for height and age in children as well as adults.

Weight Height Ratio for Children

Childhood is an important growth phase which is marked by physical, mental, and psychological developments. Parents have to constantly monitor the weight and height to ensure proper growth of the child. Moreover, childhood obesity is a growing concern, especially in developed countries, and hence, parents need to keep a tab of the increasing weight of a child. Here is a height and weight chart for children, based on the guidelines and growth charts provided by the Centers for Disease Control and Prevention (CDC) and World Health Organization (WHO).

Age Height Weight for Boys
Age Average Height Average Weight
Newborn 19.6 7.4
1 Month 21.6 9.8
2 Months 23.0 12.3
3 Months 24.2 14.1
4 Months 25.2 15.4
5 Months 26.0 16.6
6 Months 26.6 17.5
7 Months 27.2 18.3
8 Months 27.8 19.0
9 Months 28.3 19.6
10 Months 28.8 20.1
11 Months 29.3 20.8
1 year 29.8 21.3
13 Months 30.3 21.8
14 Months 30.7 22.3
15 Months 31.2 22.7
16 Months 31.6 23.2
17 Months 32.0 23.7
18 Months 32.4 24.1
20 Months 33.1 25.0
21 Months 33.5 25.5
22 Months 33.9 25.9
23 Months 34.2 26.3
2 years 34.2 27.5
3 years 37.5 31.0
4 years 40.3 40.5
5 years 43.0 40.5
6 years 45.5 45.5
7 years 48.0 50.5
8 years 50.4 56.5
9 years 52.5 63.0
10 years 54.5 70.5
11 years 56.5 78.5
12-13 years 58 - 62 88 - 100
14-15 years 64 - 67 112 - 123
16-17 years 68 - 69 134 - 142
18-20 years 69 - 70 147 - 155
Age Height Weight for Girls
Age Average Height Average Weight
Newborn 19.4 7.3
1 Month 21.2 9.6
2 Months 22.1 11.7
3 Months 23.6 13.3
4 Months 24.5 14.6
5 Months 25.3 15.8
6 Months 25.9 16.6
7 Months 26.5 17.4
8 Months 27.1 18.1
9 Months 27.6 18.8
10 Months 28.2 19.4
11 Months 28.7 19.9
1 year 29.2 20.4
13 Months 29.6 21.0
14 Months 30.1 21.5
15 Months 30.6 22.0
16 Months 30.9 22.5
17 Months 31.4 23.0
18 Months 31.8 23.4
20 Months 32.6 24.4
21 Months 32.9 24.9
22 Months 33.4 25.4
23 Months 33.7 25.9
2 years 33.5 26.5
3 years 37.0 31.5
4 years 39.5 34.0
5 years 42.5 39.5
6 years 45.5 44.0
7 years 47.7 49.5
8 years 50.5 57.0
9 years 52.5 62.0
10 years 54.5 70.5
11 years 56.7 81.5
12-13 years 59 - 62 91 - 101
14-15 years 62 - 63 105 - 115
16-17 years 64 118 - 120
18-20 years 64 125 - 128
Height is indicated in Inches and Weight is indicated in Pounds.

Things to Note
  • There is rapid weight gain in the initial six months, followed by a slow, yet steady increase in weight till the child is one years of age.
  • Once the child is one year old, an increase of three to six pounds is expected in a year, along with a total height gain of three to five inches.
  • Till the child is five years old, an additional five pounds of weight gain is expected.
  • A sudden growth spurt in children in the age group of ten to fifteen years can be seen. This leads to eight to twelve pounds of weight gain.
  • In children, along with a check of the height and weight, it is important to take the head circumference into consideration as well.
  • Genetics, environmental factors, diet, and ethnicity, play an important role in the height and weight ratio in children.

Weight Height Ratio For Adults

The height weight helps in understanding a person's health and well-being. Physicians have increasingly used these charts for gaging a person's healthy weight. Here is a weight and height chart for men as well as women, in the age group of eighteen to sixty years.

Ideal Weight for Men by Height
Height
Body Frame
Height Weight Chart for Men
Height Small Frame Medium Frame Large Frame
5'1" 123 134 145
5'2" 125 137 148
5'3" 127 139 151
5'4" 129 142 155
5'5" 131 145 159
5'6" 133 148 163
5'7" 135 151 167
5'8" 137 154 171
5'9" 139 157 175
5'10" 141 160 179
5'11" 144 164 183
6'0" 147 167 187
6'1" 150 171 192
6'2" 153 175 197
6'3" 157 179 202
Ideal Weight for Women by Height
Height
Body Frame
Height Weight Chart for Women
Height Small Frame Medium Frame Large Frame
4'10" 100 115 131
4'11" 101 117 134
5'0" 103 120 137
5'1" 105 122 140
5'2" 108 125 144
5'3" 111 128 148
5'4" 114 133 152
5'5" 117 136 156
5'6" 120 140 160
5'7" 123 143 163
5'8" 126 146 167
5'9" 129 150 170
5'10" 132 153 173
5'11" 135 156 176
6'0" 138 159 179
Weight indicated in the table is in Pounds

Age Weight Chart for American Men
Age 20 - 29 yrs 30 - 39 yrs 40 - 49 yrs 50 - 59 yrs 60 - 69 yrs
Pounds 168 179 182 185 184

Age Weight Chart for American Women
Age 20 - 29 yrs 30 - 39 yrs 40 - 49 yrs 50 - 59 yrs 60 - 69 yrs
Pounds 132 144 149 158 152

Things to Note
  • The weight and height ratio may vary based on the body structure, body type, and bone density of an adult.
  • Unlike children, there is no significant height gain in adults above eighteen years of age.

All About BMI

To estimate the right weight based on the height, a person should know the ideal body mass index. Also known as BMI, this value is calculated based on the height and weight of an individual. To know your BMI level, note down your your height in inches and weight in pounds. Now using the BMI formula, you can calculate if you are overweight, obese, underweight or normal.
[Weight in Pounds ÷ (Height in inches)2] × 703

BMI Categories:
<18.5 = Underweight
18.5 - 24.9 = Normal Weight
25 - 29.9 = Overweight
BMI of 30 or greater = Obesity

Things to Note
  • BMI is higher in athletes and slightly more in elderly people.
  • Age, sex, and ethnicity might affect the ratio as well.
  • The BMI does not take into consideration waist measurement or muscle mass, and hence, accuracy is doubtful.

Despite certain limitations, the BMI is a great way to check the proper height and weight of an individual. In case you are underweight, it is important to rethink your diet so that you include nutritious foods in it. On the other hand, obesity can signal an impending health danger, and hence, should be controlled with a strict diet and exercise regime. A sharp increase in weight can be due to certain health problems like thyroid diseases and diabetes. In case you notice such a rapid increase in weight, consult a doctor immediately.