What is the Average Weight for a 14-Year-Old? A Comprehensive Guide

The average weight for 14-year-old girls and boys differs. To find out the ideal weight for teenagers, check out this article.

At 14 years old, both boys and girls experience constant changes in their bodies, including weight and height. Since everyone has different body types and goes through puberty at different times, it’s challenging to determine the exact average weight for 14-year-olds.

Gender and height are the two main factors that influence your average or ideal weight at this age. In this article, we’ll explore the average weight for 14-year-olds and the general ideal weight for teenagers.

What is the Average Weight for a 14-Year-Old
What is the Average Weight for a 14-Year-Old?

When it comes to the growth and development of teenagers, understanding the average weight for a 14-year-old is essential. As a parent or guardian, you may have concerns about your teen’s weight and how it compares to their peers. In this blog, we will delve into the topic, providing you with valuable insights and statistics. So, let’s explore the average weight range for 14-year-olds.

Understanding Average Weight for 14-Year-Old

At the age of 14, adolescents experience significant growth spurts and changes in their body composition. Transitioning from childhood to adolescence, the average weight varies due to factors like genetics, lifestyle, and gender.

What is the Average Weight For 14-Year-Old Boys and Girls?

What is the Average Weight For 14 Year Old Boys and Girls
What is the Average Weight For 14 Year Old Boys and Girls

The average weight of a teenager is influenced by various factors, not just standard charts. To determine an appropriate weight, consider these four factors:

  • Age
  • Build
  • Height
  • Body fat percentage

A teen boy who exercises and has good muscle tone may weigh more than the standard average weight chart suggests, as muscle cells weigh more than fat cells.

Average Weight for Teen Boys

Knowing the average weight and height for a teen boy can provide additional health information, even though it may not be used for diagnosis.

Here’s the table for the average weight of 14-year-old boys and teenagers in general.

Age rangeAverage heightAverage weightPercentile
12-13 years old58-62 inches85-100 lbs50%
14-15 years old63-66 inches105-125 lbs50%
16-17 years old67-70 inches130-150 lbs50%
18-20 years old68-70 inches150-160 lbs50%

Find your healthy weight and height as a teen boy with this chart!

Average Weight for Teen Girls

The weight and height of teen girls can vary due to different factors. However, this information isn’t enough to determine your health. It can provide useful insights for your doctor, but it’s not a diagnostic tool. Below is a table showing the average weight for 14-year-old girls and teens in general.

Age rangeAverage heightAverage weightPercentile
12-13 years old60-63 inches95-105 lbs50%
14-15 years old63-64 inches105-115 lbs50%
16-17 years old64 inches115-120 lbs50%
18-20 years old64 inches125-130 lbs50%

Ideal Weight and Height Chart for Teen Girls: This chart provides the recommended weight and height for teen girls. It can give you an idea of a healthy range, but individual factors vary. Consult your doctor for personalized advice.

Statistics and Figures

It has been observed that the average weight for 14-year-old boys falls between 100 to 150 pounds, while girls generally weigh between 90 to 135 pounds.

Factors Influencing Weight

Moreover, various factors influence a teenager’s weight during this crucial developmental stage. Changes in hormone levels and dietary habits are often attributed to weight fluctuations.

Healthy Weight vs. Overweight

On one hand, a healthy weight is vital for a 14-year-old’s overall well-being. It is recommended that they maintain a weight that aligns with their height and body structure.

The Impact of Genetics

Additionally, genetics play a significant role in determining a teenager’s weight. Factors beyond their control can influence their propensity to gain or lose weight.

The Role of Physical Activity

Regular physical activity is essential for teenagers. Increased physical activity has been associated with maintaining a healthy weight.

Weight Management and Nutrition

Furthermore, maintaining a balanced diet is crucial for a 14-year-old’s weight management. Healthy eating habits should be encouraged to support their overall growth.

Addressing Weight Concerns

If you have concerns about your teen’s weight, it is essential to approach the subject with sensitivity. Empathetic conversations about their well-being can positively impact their self-esteem.

The Difference Between Average Weight and BMI

BMI, or Body Mass Index, is a common measurement used to evaluate a person’s healthy body weight. It helps to screen for underweight, overweight, obesity, and healthy weight, but it’s not a diagnostic tool. A higher BMI doesn’t necessarily mean a person is overweight; further tests are needed to determine health conditions accurately.

BMI assesses the relationship between weight and height. You can easily calculate your BMI by entering your current weight and height on a website designed for this purpose.

BMI Results for Boys

Remember, BMI is not a diagnostic tool, but it gives you an idea of how your weight relates to your height. Your doctor can also find it useful for understanding your health, especially if you have any health concerns.

AgeUnderweightHealthy WeightOverweightObese
1315.2 or under15.3-21.521.6-2525.1 and over
1415.9 or under16-23.523.6-25.926 and over
1516.6 or under16.7-23.323.4-26.726.8 and over
1617.2 or under17.3-24.124.2-27.427.5 and over
1717.6 or under17.7-24.825-28.128.2 and over
1818.1 or under18.2-25.525.6-28.828.9 and over
1918.6 or under18.7-26.226.3-29.829.7 and over

BMI Results for Girls

Similar to BMI for boys, BMI for girls can be helpful during your yearly check-up or when discussing health concerns with your doctor. It gives insight into how your weight and height are related.

Ultimately, the body mass index (BMI) doesn’t provide a complete picture of your body weight. For example, a 14-year-old with a normal BMI could still have a higher percentage of body fat than recommended by doctors.

In short, height and weight ratio charts are not fully accurate, especially for younger children and teenagers. They only provide a rough average and should be used along with a BMI calculator for kids. Our charts show both Metric and Imperial measurements, so you can use either Pounds to Kilograms or Inches to Centimeters.

Female Height to Weight Ratio’s:

Average Height to Weight for Female Babies:

Babies come in various shapes and sizes, and being in a lower or higher percentile on a weight chart doesn’t necessarily mean a growth or development problem. Using a weight chart can help monitor your baby’s growth, and steady weight gain indicates good health and proper feeding.

Female Babies: 0 – 11 Months

0 Months7.3 lb. (3.31 kg)19.4″ (49.2 cm)
1 Month9.6 lb. (4.35 kg)21.2″ (53.8 cm)
2 Months11.7 lb. (5.3 kg)22.1″ (56.1 cm)
3 Months13.3 lb. (6.03 kg)23.6″ (59.9 cm)
4 Months14.6 lb. (6.62 kg)24.5″ (62.2 cm)
5 Months15.8 lb. (7.17 kg)25.3″ (64.2 cm)
6 Months16.6 lb. (7.53 kg)25.9″ (64.1 cm)
7 Months17.4 lb. (7.9 kg)26.5″ (67.3 cm)
8 Months18.1 lb. (8.21 kg)27.1″ (68.8 cm)
9 Months18.8 lb. (8.53 kg)27.6″ (70.1 cm)
10 Months19.4 lb. (8.8 kg)28.2″ (71.6 cm)
11 Months19.9 lb. (9.03 kg)28.7″ (72.8 cm)
Female Babies: 0 – 11 Months

Average Height to Weight for Female Toddlers (12 to 23 Months)

Toddlers come in different shapes and sizes, so it’s not always easy to know if your child is on a healthy track with their height and weight. These charts provide average values but remember, every child is unique. Your toddler’s weight and height might be higher or lower than the average, and that’s okay – it doesn’t indicate any problems.

Female Toddlers: 12 – 23 Months

12 Months20.4 lb. (9.25 kg)29.2″ (74.1 cm)
13 Months21.0 lb. (9.53 kg)29.6″ (75.1 cm)
14 Months21.5 lb. (9.75 kg)30.1″ (76.4 cm)
15 Months22.0 lb. (9.98 kg)30.6″ (77.7 cm)
16 Months22.5 lb. (10.2 kg)30.9″ (78.4 cm)
17 Months23.0 lb. (10.43 kg)31.4″ (79.7 cm)
18 Months23.4 lb. (10.61 kg)31.8″ (80.7 cm)
19 Months23.9 lb. (10.84 kg)32.2″ (81.7 cm)
20 Months24.4 lb. (11.07 kg)32.6″ (82.8 cm)
21 Months24.9 lb. (11.3 kg)32.9″ (83.5 cm)
22 Months25.4 lb. (11.52 kg)33.4″ (84.8 cm)
23 Months25.9 lb. (11.75 kg)33.5″ (85.1 cm)
Female Toddlers: 12 – 23 Months

Average Height to Weight for Female Children (2 to 12 Years)

By the age of ten, an average ten-year-old girl weighs around 70.5 pounds (31.9 kilograms). However, girls can weigh anywhere from 53 to 102 pounds and still be considered healthy due to the natural variation in weight at this age. Remember, all children grow at different rates, and it’s completely normal for weight and height to differ among kids of the same age. The most important thing is that your child is growing steadily and in good health.

Female Children: 2 – 12 Years

2 Years26.5 lb. (12.02 kg)33.7″ (85.5 cm)
3 Years31.5 lb. (14.29 kg)37.0″ (94 cm)
4 Years34.0 lb. (15.42 kg)39.5″ (100.3 cm)
5 Years39.5 lb. (17.92 kg)42.5″ (107.9 cm)
6 Years44.0 lb. (19.96 kg)45.5″ (115.5 cm)
7 Years49.5 lb. (22.45 kg)47.7″ (121.1 cm)
8 Years57.0 lb. (25.85 kg)50.5″ (128.2 cm)
9 Years62.0 lb. (28.12 kg)52.5″ (133.3 cm)
10 Years70.5 lb. (31.98 kg)54.5″ (138.4 cm)
11 Years81.5 lb. (36.97 kg)56.7″ (144 cm)
12 Years91.5 lb. (41.5 kg)59.0″ (149.8 cm)
Female Children: 2 – 12 Years

Average Height to Weight for teenage girls aged 13 to 20 years

  • Height and weight can be influenced by both genetics and the environment.
  • The average height and weight of teenage girls vary based on factors like gender, age, race, ethnicity, and nationality.
  • During childhood, a child’s body starts becoming more proportional.
  • Girls usually begin puberty between ages 10 to 11 and complete it between 15 to 17.
  • Throughout puberty, girls go through significant changes in weight, bone structure, height, and body fat distribution.

Teenage Girls: 13 – 20 Years

13 Years101.0 lb. (45.81 kg)61.7″ (156.7 cm)
14 Years105.0 lb. (47.63 kg)62.5″ (158.7 cm)
15 Years115.0 lb. (52.16 kg)62.9″ (159.7 cm)
16 Years118.0 lb. (53.52 kg)64.0″ (162.5 cm)
17 Years120.0 lb. (54.43 kg)64.0″ (162.5 cm)
18 Years125.0 lb. (56.7 kg)64.2″ (163 cm)
19 Years126.0 lb. (57.15 kg)64.2″ (163 cm)
20 Years128.0 lb. (58.06 kg)64.3″ (163.3 cm)
Teenage Girls: 13 – 20 Years

Male Height to Weight Ratio’s

Average Height to Weight for Male Babies

  • In the United States, a typical newborn baby boy weighs around 7 pounds 8 ounces (3.4 kg) and measures about 19.7 inches (49.9 cm) long at birth.
  • During the first three months, babies usually gain about an ounce every day.
  • By the time they are four months old, most babies will have doubled their birth weight.
  • And by their first birthday, most babies will have tripled their birth weight.

Male Babies: 0 – 11 Months

0 Months7.4 lb. (3.3 kg)19.6″ (49.8 cm)
1 Months9.8 lb. (4.4 kg)21.6″ (54.8 cm)
2 Months12.3 lb. (0.01 t)23.0″ (58.4 cm)
3 Months14.1 lb. (6.4 kg)24.2″ (61.4 cm)
4 Months15.4 lb. (7 kg)25.2″ (64 cm)
5 Months16.6 lb. (7.53 kg)26.0″ (66 cm)
6 Months17.5 lb. (7.94 kg)26.6″ (67.5 cm)
7 Months18.3 lb. (8.3 kg)27.2″ (69 cm)
8 Months19.0 lb. (8.62 kg)27.8″ (70.6 cm)
9 Months19.6 lb. (8.9 kg)28.3″ (71.8 cm)
10 Months20.1 lb. (9.12 kg)28.8″ (73.1 cm)
11 Months20.8 lb. (9.43 kg)29.3″ (74.4 cm)
Male Babies: 0 – 11 Months

Average Height to Weight for Male Toddlers – 12 to 23 Months

  • Every child grows at their own pace.
  • On average, boys in this age range gain about 4 to 6 pounds in weight.
  • Their height usually increases by around 2 to 3 inches during this time.

Male Toddlers: 12 – 23 Months

12 Months21.3 lb. (9.66 kg)29.8″ (75.7 cm)
13 Months21.8 lb. (9.89 kg)30.3″ (76.9 cm)
14 Months22.3 lb. (10.12 kg)30.7″ (77.9 cm)
15 Months22.7 lb. (10.3 kg)31.2″ (79.2 cm)
16 Months23.2 lb. (10.52 kg)31.6″ (80.2 cm)
17 Months23.7 lb. (10.75 kg)32.0″ (81.2 cm)
18 Months24.1 lb. (10.93 kg)32.4″ (82.2 cm)
19 Months24.6 lb. (11.16 kg)32.8″ (83.3 cm)
20 Months25.0 lb. (11.34 kg)33.1″ (84 cm)
21 Months25.5 lb. (11.57 kg)33.5″ (85 cm)
22 Months25.9 lb. (11.75 kg)33.9″ (86.1 cm)
23 Months26.3 lb. (11.93 kg)34.2″ (86.8 cm)
Male Toddlers: 12 – 23 Months

Average Height to Weight for Boys (2-12 Years)

Boys experience a growth spurt between 9 to 15 years, gaining 8 to 10 pounds per year. Keep in mind that during this time, some may seem overweight due to a pubertal growth spurt, but they are likely just growing taller.

Male Children: 2 – 12 Years

2 Years27.5 lb. (12.47 kg)34.2″ (86.8 cm)
3 Years31.0 lb. (14.06 kg)37.5″ (95.2 cm)
4 Years36.0 lb. (16.33 kg)40.3″ (102.3 cm)
5 Years40.5 lb. (18.37 kg)43.0″ (109.2 cm)
6 Years45.5 lb. (20.64 kg)45.5″ (115.5 cm)
7 Years50.5 lb. (22.9 kg)48.0″ (121.9 cm)
8 Years56.5 lb. (25.63 kg)50.4″ (128 cm)
9 Years63.0 lb. (28.58 kg)52.5″ (133.3 cm)
10 Years70.5 lb. (32 kg)54.5″ (138.4 cm)
11 Years78.5 lb. (35.6 kg)56.5″ (143.5 cm)
12 Years88.0 lb. (39.92 kg)58.7″ (149.1 cm)
Male Children: 2 – 12 Years

Average Height to Weight for Teenage Boys (13-20 Years)

Boys begin puberty around 11 to 12 years old and finish around 16 to 17. During this time, you’ll experience growth spurts, with your body growing faster than ever before. It’s common to gain and lose weight quickly and add inches to your height seemingly overnight.

Male Teens: 13 – 20 Years)

13 Years100.0 lb. (45.36 kg)61.5″ (156.2 cm)
14 Years112.0 lb. (50.8 kg)64.5″ (163.8 cm)
15 Years123.5 lb. (56.02 kg)67.0″ (170.1 cm)
16 Years134.0 lb. (60.78 kg)68.3″ (173.4 cm)
17 Years142.0 lb. (64.41 kg)69.0″ (175.2 cm)
18 Years147.5 lb. (66.9 kg)69.2″ (175.7 cm)
19 Years152.0 lb. (68.95 kg)69.5″ (176.5 cm)
20 Years155.0 lb. (70.3 kg)69.7″ (177 cm)
Male Teens: 13 – 20 Years)

* The growth charts are based on information from reliable sources: 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 individual is unique, and teens grow and mature differently. Dieting is not advised for teens, as they often naturally lose their ‘baby fat’ as they become young adults. If you have concerns about your child’s height-to-weight ratio, it’s best to consult their pediatrician or family physician. A doctor can use a medical growth chart to track their progress as they grow.


On average, 14-year-old boys weigh between 105 lbs and 115 lbs. For 14-year-old girls, the average weight falls within the range of 105 lbs to 125 lbs. Remember that some individuals may weigh less or more than the suggested averages mentioned in the charts. It’s important to understand that BMI (Body Mass Index) and average weight are different measurements. Do not use BMI as a sole diagnostic tool to assess your overall health.

Finally, understanding the average weight for a 14-year-old is crucial for parents and guardians. We’ve provided valuable insights into this topic. Remember that each teenager’s growth journey is unique, and focusing on their overall health and well-being should be a priority. If you have specific concerns about your teen’s weight, consulting a healthcare professional is always advisable. We hope this blog has been informative and helpful in guiding you through this critical phase of your teenager’s life.

Meet Natalia, a New York City-based writer whose work has graced publications. She’s not just a wordsmith—Natalia is a fitness professional, life coach and yoga instructor. As a top barre and dance instructor, and Broadway performer, she brings a creative and dynamic touch to everything she does.

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