Average Height to Weight Chart: Babies to Teenagers
Our Ideal Height to Weight Tables Now Show Both Imperial and Metric Calculations
Published: 2017-11-30 - Updated: 2023-09-02
Author: Disabled World - Contact Details
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Synopsis: Average height to weight ratio chart by age for kids and teenage girls and boys in inches, pounds, and centimeters, kilograms. Our easy to read optimum height to weight ratio charts, cover newborn babies to teenage girls and boys, and will give you a general idea of whether you are of average weight for your age and height without using complicated percentile graphs.
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If you are older than 20 you will need to refer to our Adults Height to Weight Chart. Our easy-to-read optimum height-to-weight ratio charts below cover newborn babies to teenage girls and boys. They will give you a general idea of whether you are of average weight for your age and height without using complicated percentile graphs.
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Height and weight ratio charts are not truly accurate measures or indicators, especially for younger children and teenagers, as they represent only a rough average and should be used in conjunction with a BMI calculator for kids. Our height-to-weight charts below display both Metric and Imperial measurements, i.e., Pounds to Kilograms and Inches to Centimeters. If you need to perform weight conversions visit our Stones, Pounds, Kilograms Conversion Chart
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Female Height to Weight Ratio's
Average Height to Weight for Female Babies
Babies come in all shapes and sizes. If a baby’s weight is in a lower - or higher - percentile, this does not necessarily signal a problem with their growth or physical development. A weight chart can help you track your baby’s growth, as steady weight gain is a sign that your baby is healthy and feeding well.
| Age | Weight | Length |
|---|---|---|
| 0 Months | 7.3 lb. (3.31 kg) | 19.4" (49.2 cm) |
| 1 Month | 9.6 lb. (4.35 kg) | 21.2" (53.8 cm) |
| 2 Months | 11.7 lb. (5.3 kg) | 22.1" (56.1 cm) |
| 3 Months | 13.3 lb. (6.03 kg) | 23.6" (59.9 cm) |
| 4 Months | 14.6 lb. (6.62 kg) | 24.5" (62.2 cm) |
| 5 Months | 15.8 lb. (7.17 kg) | 25.3" (64.2 cm) |
| 6 Months | 16.6 lb. (7.53 kg) | 25.9" (64.1 cm) |
| 7 Months | 17.4 lb. (7.9 kg) | 26.5" (67.3 cm) |
| 8 Months | 18.1 lb. (8.21 kg) | 27.1" (68.8 cm) |
| 9 Months | 18.8 lb. (8.53 kg) | 27.6" (70.1 cm) |
| 10 Months | 19.4 lb. (8.8 kg) | 28.2" (71.6 cm) |
| 11 Months | 19.9 lb. (9.03 kg) | 28.7" (72.8 cm) |
Average Height to Weight for Female Toddlers - 12 to 23 Months
Toddlers come in all shapes and sizes, so it is not always easy to know if your child is following a healthy path regarding height and weight. However, the numbers in these charts are just a benchmark. Your toddlers' weight and height are likely higher or lower than the average. If so, don't worry - it doesn't mean there's anything wrong.
| Age | Weight | Length |
|---|---|---|
| 12 Months | 20.4 lb. (9.25 kg) | 29.2" (74.1 cm) |
| 13 Months | 21.0 lb. (9.53 kg) | 29.6" (75.1 cm) |
| 14 Months | 21.5 lb. (9.75 kg) | 30.1" (76.4 cm) |
| 15 Months | 22.0 lb. (9.98 kg) | 30.6" (77.7 cm) |
| 16 Months | 22.5 lb. (10.2 kg) | 30.9" (78.4 cm) |
| 17 Months | 23.0 lb. (10.43 kg) | 31.4" (79.7 cm) |
| 18 Months | 23.4 lb. (10.61 kg) | 31.8" (80.7 cm) |
| 19 Months | 23.9 lb. (10.84 kg) | 32.2" (81.7 cm) |
| 20 Months | 24.4 lb. (11.07 kg) | 32.6" (82.8 cm) |
| 21 Months | 24.9 lb. (11.3 kg) | 32.9" (83.5 cm) |
| 22 Months | 25.4 lb. (11.52 kg) | 33.4" (84.8 cm) |
| 23 Months | 25.9 lb. (11.75 kg) | 33.5" (85.1 cm) |
Average Height to Weight for Female Children - 2 to 12 Years
A ten-year-old girl will weigh around 70.5 pounds (31.9 kilograms) on average by age ten. Girls can weigh anywhere from 53 to 102 pounds and yet be deemed healthy because of the wide variety of weight differences among children of this age. All children grow at different rates, and it's normal for weight and height to vary significantly between kids of the same age. What's more important is that your child is growing steadily.
| Age | Weight | Height |
|---|---|---|
| 2 Years | 26.5 lb. (12.02 kg) | 33.7" (85.5 cm) |
| 3 Years | 31.5 lb. (14.29 kg) | 37.0" (94 cm) |
| 4 Years | 34.0 lb. (15.42 kg) | 39.5" (100.3 cm) |
| 5 Years | 39.5 lb. (17.92 kg) | 42.5" (107.9 cm) |
| 6 Years | 44.0 lb. (19.96 kg) | 45.5" (115.5 cm) |
| 7 Years | 49.5 lb. (22.45 kg) | 47.7" (121.1 cm) |
| 8 Years | 57.0 lb. (25.85 kg) | 50.5" (128.2 cm) |
| 9 Years | 62.0 lb. (28.12 kg) | 52.5" (133.3 cm) |
| 10 Years | 70.5 lb. (31.98 kg) | 54.5" (138.4 cm) |
| 11 Years | 81.5 lb. (36.97 kg) | 56.7" (144 cm) |
| 12 Years | 91.5 lb. (41.5 kg) | 59.0" (149.8 cm) |
Average Height to Weight for Teenage Girls - 13 to 20 Years
Both genetic and environmental factors influence height and weight. Teenage children's average height and weight vary by gender, age, race, ethnicity, and nationality. Throughout childhood, a child's body begins to become more proportional. On average, girls commence puberty around ages 10 to 11 and end puberty around 15 to 17. Adolescent girls typically experience dramatic changes in weight, bone composition, height, and body fat distribution - especially through their pubescent years.
| Age | Weight | Height |
|---|---|---|
| 13 Years | 101.0 lb. (45.81 kg) | 61.7" (156.7 cm) |
| 14 Years | 105.0 lb. (47.63 kg) | 62.5" (158.7 cm) |
| 15 Years | 115.0 lb. (52.16 kg) | 62.9" (159.7 cm) |
| 16 Years | 118.0 lb. (53.52 kg) | 64.0" (162.5 cm) |
| 17 Years | 120.0 lb. (54.43 kg) | 64.0" (162.5 cm) |
| 18 Years | 125.0 lb. (56.7 kg) | 64.2" (163 cm) |
| 19 Years | 126.0 lb. (57.15 kg) | 64.2" (163 cm) |
| 20 Years | 128.0 lb. (58.06 kg) | 64.3" (163.3 cm) |
Male Height to Weight Ratio's
Average Height to Weight for Male Babies
In the United States, the average newborn baby boy weighs 7 pounds 8 ounces (3.4 kg) and is 19.7 inches (49.9 cm) in length at birth. Most babies will gain about an ounce a day until they are three months old. By four months old, most babies have doubled their birth weight; by one year, most have tripled it.
| Age | Weight | Length |
|---|---|---|
| 0 Months | 7.4 lb. (3.3 kg) | 19.6" (49.8 cm) |
| 1 Month | 9.8 lb. (4.4 kg) | 21.6" (54.8 cm) |
| 2 Months | 12.3 lb. (0.01 t) | 23.0" (58.4 cm) |
| 3 Months | 14.1 lb. (6.4 kg) | 24.2" (61.4 cm) |
| 4 Months | 15.4 lb. (7 kg) | 25.2" (64 cm) |
| 5 Months | 16.6 lb. (7.53 kg) | 26.0" (66 cm) |
| 6 Months | 17.5 lb. (7.94 kg) | 26.6" (67.5 cm) |
| 7 Months | 18.3 lb. (8.3 kg) | 27.2" (69 cm) |
| 8 Months | 19.0 lb. (8.62 kg) | 27.8" (70.6 cm) |
| 9 Months | 19.6 lb. (8.9 kg) | 28.3" (71.8 cm) |
| 10 Months | 20.1 lb. (9.12 kg) | 28.8" (73.1 cm) |
| 11 Months | 20.8 lb. (9.43 kg) | 29.3" (74.4 cm) |
Average Height to Weight for Male Toddlers - 12 to 23 Months
All children grow at different rates. However, the following chart indicates the average growth rate for 1 to 2-year-old boys. The average weight gain will be about 4 to 6 pounds, with an average height growth of around 2 to 3 inches.
| Age | Weight | Length |
|---|---|---|
| 12 Months | 21.3 lb. (9.66 kg) | 29.8" (75.7 cm) |
| 13 Months | 21.8 lb. (9.89 kg) | 30.3" (76.9 cm) |
| 14 Months | 22.3 lb. (10.12 kg) | 30.7" (77.9 cm) |
| 15 Months | 22.7 lb. (10.3 kg) | 31.2" (79.2 cm) |
| 16 Months | 23.2 lb. (10.52 kg) | 31.6" (80.2 cm) |
| 17 Months | 23.7 lb. (10.75 kg) | 32.0" (81.2 cm) |
| 18 Months | 24.1 lb. (10.93 kg) | 32.4" (82.2 cm) |
| 19 Months | 24.6 lb. (11.16 kg) | 32.8" (83.3 cm) |
| 20 Months | 25.0 lb. (11.34 kg) | 33.1" (84 cm) |
| 21 Months | 25.5 lb. (11.57 kg) | 33.5" (85 cm) |
| 22 Months | 25.9 lb. (11.75 kg) | 33.9" (86.1 cm) |
| 23 Months | 26.3 lb. (11.93 kg) | 34.2" (86.8 cm) |
Average Height to Weight for Male Children - 2 to 12 Years
There is quite often a sudden spurt of growth in boys between 9 to 15 years of age, with a gain in weight of 8 to 10 pounds per year. However, it is important to keep in mind that many children in this age group are experiencing a pubertal growth spurt, and it may appear they are overweight (by weight-for-age) when, in fact; they are just tall.
| Age | Weight | Height |
|---|---|---|
| 2 Years | 27.5 lb. (12.47 kg) | 34.2" (86.8 cm) |
| 3 Years | 31.0 lb. (14.06 kg) | 37.5" (95.2 cm) |
| 4 Years | 36.0 lb. (16.33 kg) | 40.3" (102.3 cm) |
| 5 Years | 40.5 lb. (18.37 kg) | 43.0" (109.2 cm) |
| 6 Years | 45.5 lb. (20.64 kg) | 45.5" (115.5 cm) |
| 7 Years | 50.5 lb. (22.9 kg) | 48.0" (121.9 cm) |
| 8 Years | 56.5 lb. (25.63 kg) | 50.4" (128 cm) |
| 9 Years | 63.0 lb. (28.58 kg) | 52.5" (133.3 cm) |
| 10 Years | 70.5 lb. (32 kg) | 54.5" (138.4 cm) |
| 11 Years | 78.5 lb. (35.6 kg) | 56.5" (143.5 cm) |
| 12 Years | 88.0 lb. (39.92 kg) | 58.7" (149.1 cm) |
Average Height to Weight for Teenage Boys - 13 to 20 Years
Boys start puberty around age 11 to 12 and end around 16 to 17. Youth and teenagers often have growth spurts during their growing years; during puberty, your body will grow faster than at any other time in your life. During this period, it is possible to gain and lose weight rapidly and add inches to their height - seemingly overnight.
| Age | Weight | Height |
|---|---|---|
| 13 Years | 100.0 lb. (45.36 kg) | 61.5" (156.2 cm) |
| 14 Years | 112.0 lb. (50.8 kg) | 64.5" (163.8 cm) |
| 15 Years | 123.5 lb. (56.02 kg) | 67.0" (170.1 cm) |
| 16 Years | 134.0 lb. (60.78 kg) | 68.3" (173.4 cm) |
| 17 Years | 142.0 lb. (64.41 kg) | 69.0" (175.2 cm) |
| 18 Years | 147.5 lb. (66.9 kg) | 69.2" (175.7 cm) |
| 19 Years | 152.0 lb. (68.95 kg) | 69.5" (176.5 cm) |
| 20 Years | 155.0 lb. (70.3 kg) | 69.7" (177 cm) |
*Information and data for above growth charts sourced from The World Health Organization (WHO), Gerontology Research Center (National Institutes of Health (NIH), USA), and the U.S. Centers for Disease Control and Prevention (CDC).
Every baby, child, and teenager is different in how they mature and grow during their teen years. Dieting for teens is not recommended, as quite often you will find they will simply "grow out" of their "baby fat" as they mature into young adults. Your pediatrician or family physician is the best person to consult if you are worried about your child's height-to-weight ratio, as a doctor can use a medical growth chart to keep track of their progress as they mature.
Printable Height/Weight Charts
Printable Boys Height to Weight Chart From Baby to Teen Years
Printable Girls Height to Weight Chart From Baby to Teen Years
You may also be interested in our chart showing the height of men and women in other countries.
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Cite This Page (APA): Disabled World. (2017, November 30). Average Height to Weight Chart: Babies to Teenagers. Disabled World. Retrieved September 26, 2023 from www.disabled-world.com/calculators-charts/height-weight-teens.php