How Many Calories Does a Teenager Need?

As a teenager, your body is going through many changes, and your calorie needs will change as well. The number of calories you need will depend on your age, sex, weight, height, and activity level.

The average teenager needs about 2,000 to 3,200 calories per day. Boys typically need more calories than girls, and active teens will need more calories than those who are less active.

The recommended calorie intake for teenage boys is between 2,800 and 3,200 calories per day, while for teenage girls it’s between 2,200 and 2,800 calories per day.

To determine your specific calorie needs, you can use the Harris-Benedict equation, which takes into account your weight, height, and activity level. The equation for teenage boys is: BMR = 88.362 + (13.397 x weight in kg) + (4.799 x height in cm) – (5.677 x age in years). The equation for teenage girls is: BMR = 447.593 + (9.247 x weight in kg) + (3.098 x height in cm) – (4.330 x age in years).

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Caloric needs vary greatly among teenagers due to factors such as growth, activity level, and body composition. However, a general guideline for determining the number of calories a teenager needs is to multiply their current body weight by an activity factor.

The first step in determining a teenager’s caloric needs is to determine their current body weight. This can be done by using a scale or by measuring body mass index (BMI). Once the teenager’s weight is known, it can be multiplied by an activity factor to determine their basic caloric needs.

The activity factor for a teenager can vary depending on their level of physical activity. For example, a sedentary teenager who does little to no exercise would have a lower activity factor than a teenager who is very active in sports or other physical activities. A sedentary teenager would multiply their body weight by 13-15, moderately active teenager would multiply their body weight by 16-18 and a highly active teenager would multiply their body weight by 19-21.

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For example, a sedentary teenager who weighs 130 pounds would need 1,690-1,950 calories per day, a moderately active teenager would need 2,080-2,340 calories per day and a highly active teenager would need 2,470-2,730 calories per day.

Once you have determined your BMR, you can then multiply that number by an activity factor to determine your total daily calorie needs. For example, if you are sedentary, multiply your BMR by 1.2; if you are lightly active, multiply your BMR by 1.375; if you are moderately active, multiply your BMR by 1.55; and if you are very active, multiply your BMR by 1.725.

It’s important to note that calorie needs may vary due to factors such as pregnancy and lactation, growth spurts, and illnesses or medical conditions. If you have concerns about your calorie needs, it’s best to consult with a healthcare professional.

It’s important to not only pay attention to how many calories you’re consuming but also the quality of those calories. A diet high in nutrient-dense foods such as fruits, vegetables, whole grains, lean proteins, and healthy fats is essential for optimal health and growth during your teenage years.

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Eating too few calories can lead to malnutrition, which can cause a lack of energy, poor physical and mental growth and development, and an increased risk of illness. On the other hand, eating too many calories can lead to weight gain and an increased risk of chronic diseases such as heart disease and diabetes.

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In addition to a balanced diet, regular physical activity is essential for maintaining a healthy weight and overall health during your teenage years. Aim for at least 60 minutes of moderate to vigorous physical activity every day, such as cycling, swimming, running, or playing team sports.

In conclusion, as a teenager, your calorie needs will change as your body goes through many changes. The average teenager needs about 2,000 to 3,200 calories per day, depending on your age, sex, weight, height, and activity level. It’s important to not only pay attention to how many calories you’re consuming but also the quality of those calories and to consult with a healthcare professional if you have any concerns. Eating a balanced diet and regular physical activity are essential for maintaining a healthy weight and overall health during your teenage years.

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