Boys and girls typically experience different growth rates, which means that the average height for a 13-year-old will vary between genders. However, if your child is shorter than the average height for their age, there are several measures you can take to promote their height and overall development. This article provides valuable information on how to increase height during the teenage years.
The average height of girls and boys at 13
For 13-year-old teen boys, the average height is 64.1 inches according to CDC (or 156 centimeters).
Age (years) |
Average height for teen boys (inches and centimeters) |
11 |
56.4″ (143.5 cm) |
12 |
58.7″ (149 cm) |
13 |
61.4″ (156 cm) |
14 |
64.6″ (164 cm) |
15 |
66.9″ (170 cm) |
On average, girls tend to grow faster than boys at the age of 13, but their height growth will be slower than boys over the years. For 13-year-old girls, their average height is 61.8 inches (157 cm).
Age (years) |
Average height for girls (inches and centimeters) |
11 |
56.7″ (144 cm) |
12 |
59.4″ (151 cm) |
13 |
61.8″ (157 cm) |
14 |
63.2″ (160.5 cm) |
15 |
63.8″ (162 cm) |
How 13-year-old experience changes?
During puberty, both girls and boys go through a lot of changes. For boys during puberty, their testosterone levels rise which can cause them to grow taller and develop more muscles. However, their changes happen slowly, over time. There is no precise time when puberty starts for every boy, and it can vary from person to person. However, on average, around the ages of 12-13, most boys experience these changes:
- Testicles enlarge.
- Pubic hair appears.Â
- Their voices get deeper.
- Acnes start to appear.
While girls tend to go through puberty earlier than boys, most girls change around the age of 12-13. Every girl experiences puberty differently. Here are a few signs that girls are changing:
- Breast develop.
- Pubic hair begins to grow.
- Start menstrual periods.Â
- Acnes start to appear.
How to grow taller at 13?
Practice good posture
13-year-olds often lack confidence and often stand hunched, which makes them appear shorter than they actually are. To look taller, you should stand tall, and keep your neck and back straight to avoid back pain. Here are some other things you can do to have a correct posture when standing:
- Keep your shoulders back.
- Pull the belly toward the spine with the muscles lightly engaged.
- Keep the head level and in line with the body.
- Stand with your feet shoulder-width apart.
- Avoid locking your knees when you’re walking.
- Keep your weight mainly on your toes so that you can move quickly.
- Let your arms hang down by your sides.
To sit in a good posture, you should:
- Stay seated with your feet flat on the floor.
- Keep your feet flat on the floor so you don’t stress your thighs.
- Avoid crossing your legs when you’re sitting.
- Use a small pillow or towel to support your back.
- Let the shoulders rest comfortably.
Change your diet
A healthy, nutritious diet is important for helping your body reach its height potential. You should eat lots of fresh fruits and vegetables, lean protein, and whole grains. You can put different things on your plate to make your meals healthier. Half of your plate should include healthy foods like vegetables and fruits, 1/4 of your plate should include lean protein like chicken, turkey, fish, beans, nuts, tofu, and low-fat dairy, and 1/4 of your plate can have carbs. This means you can have whole grains and starchy veggies on your plate.Â
To increase your height, you’ll need to include more protein in your diet. Protein helps your body build muscle, which can help you grow taller. Eat protein at every meal and take it with you to make sure you’re getting the recommended amount. For instance, you can eat yogurt for breakfast, tuna fish for lunch, chicken for dinner, and string cheese as a snack.
You should also include one serving of your favorite dairy product in your daily diet. A dairy product is a food that contains protein, calcium, and vitamins. It is a good choice for supporting your growth because it provides nourishment for your body. For example, drink 8 fluid ounces (240 mL) of milk, eat 6 fluid ounces (180 mL) of yogurt, or eat a slice or 1 oz (28 g) of cheese.
Get good sleep
People need different amounts of sleep at different ages, but on average, most people need 8 hours of sleep daily. To stay healthy and strong, you need to get a good night’s sleep every night. This helps your body repair itself and get back to its usual energy levels.Â
- Toddlers below the age of 2 need 13-22 hours.
- Children ages 3-5 need 11-13 hours.
- Children ages 6-7 need 9-10 hours.
- Adolescents ages 8-14 need 8-9 hours.
- Teens ages 15-17 need 7.5-8 hours.
- Adults ages 18 and older need 7-9 hours
Some people with trouble falling asleep often turn to aromatherapy. This type of treatment uses essential oils to help people relax and fall asleep.Â
Another method to fall asleep quickly and deeply is taking nutritional supplements. Several products on the market include sleep-supporting vitamins like melatonin, magnesium, ashwagandha, and valerian. If you’re having trouble getting a good night’s sleep, these supplements may be helpful.
Take supplements
Some vitamins and minerals can help to make up for a poor diet. Some supplements can help to make bones strong, which can help people stay healthy and look good. Supplementing calcium and vitamin D can help improve bone density and overall health. Some of the most highly recommended supplements on the market are: NuBest Tall, Doctor Taller, and Height Growth Maximizer.
In conclusion,
Kids grow taller at different rates, and the age of 13 is just the beginning of one’s growth. Therefore, parents should not worry too much. There is still plenty of time for them to grow even taller. Parents should encourage their children to lead a healthy lifestyle instead of obsessing over their current height. If you have any further concerns, you might want to consult a doctor.

Mike Nikko is a blogger with over 15 years of experience. I will bring you the best product reviews and other useful life experiences, tips to increase height, tips to improve health… If you have any questions, feel free to ask Mike Nikko!