The typical weight the a 13-year-old have the right to vary, depending upon a number of factors. Puberty, because that example, deserve to significantly impact a child’s weight and also appearance, and also the timing of these changes is different for boys and girls.

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The Centers for disease Control and also Prevention (CDC) have set guidelines for healthy and balanced weight and also body mass index (BMI) in children.

These indict can help doctors and parents or caregivers monitor a child’s growth and also determine even if it is they room underweight or overweight, because that example.

This article will talk about the median weights because that 13-year-old boys and girls, as well as BMI and other determinants to consider.

Share top top PinterestThere are multiple determinants that can affect average weight.
According to the CDC, most 13-year-old girl weigh between 76 and also 148 pounds (lb).

The 50th percentile for load in this team is about 101 lb. This method that around 50% of girls this period weigh much less than 101 lb.

If a 13-year-old girl weighs under the 5th percentile, a doctor may classify this together being underweight.

If a 13-year-old girl weighs over the 95th percentile, the doctor might diagnose obesity. However, height comes into play, too.

Here are the percentiles by load for 13-year-old girls:

5th percentile76 lb
10th percentile80 lb
25th percentile89 lb
50th percentile101 lb
75th percentile116 lb
90th percentile135 lb
95th percentile148 lb

Average weight for boys

According come the CDC, many 13-year-old boys weigh in between 75 and 145 lb.

The 50th percentile for weight in this team is around 100 lb. This method that 50% of 13-year-old boys weigh much less than 100 lb.

If a 13-year-old young weighs under the fifth percentile, a doctor may categorize this together being underweight.

On the various other hand, if a young in this age group weighs more than the 95th percentile, the doctor may diagnose obesity. However, castle take height into consideration.

Here room the percentiles by weight for 13-year-old boys:

5th percentile75 lb
10th percentile80 lb
25th percentile88 lb
50th percentile100 lb
75th percentile116 lb
90th percentile133 lb
95th percentile145 lb

Share ~ above PinterestWhen calculating a child or teenager’s BMI, that is vital to incorporate their age.

BMI is a way to calculation body fat percentage. The calculation incorporates weight and also height. A high BMI deserve to indicate high quantities of body fat. The can also indicate an boosted risk of weight-related health issues.

For a an ext accurate assessment of body fat, a person have the right to look into skinfold measurements, underwater weighing, and also bioelectrical impedance. However, these tests may be complex and expensive, and also the results tend to correlate well through BMI.

Calculation of BMI is different for adults and also children. In children and also teenagers, BMI takes age into account, and doctors refer to it “BMI for age.”

The CDC carry out a BMI calculator for children and also teens. A human being enters the children height, weight, and sex. The results offer the BMI and also indicate whether the load is in a healthy range.

BMI, like mean weight, drops into percentiles. These can assist parents, caregivers, and pediatricians determine whether a son weighs a healthy and balanced amount for your age and also height.

Under the 5th percentileUnderweight
5th come 85th percentileHealthy weight
85th to 95th percentileOverweight
95th percentile or overObese

A variety of determinants can affect the load of a 13-year-old, including:

Puberty and also development

Puberty is a time of physical adjust in children and also teenagers. It requires the human body preparing for sexual maturity.

Puberty frequently occurs in girls between the eras of 10 and also 14 and also in boys between the periods of 12 and also 16. The procedure can be very different for boys and also girls.

Puberty can cause height and weight in 13-year-olds to range broadly.


Genetics, and also lifestyle characteristics, such as diet and physical activity, play a role in a children weight and also body type.

Research says that part genes space strongly associated with obesity.

Body composition

The many variables in a person’s body composition have the right to influence just how much lock weigh. For example, some people are more muscular, and also they may weigh much more because muscle weighs more than fat. This might specifically affect athletic children.

Also, taller kids are likely to weigh more than much shorter children, although this is not constantly the case. Because the BMI calculate takes height into account, it can give a better idea of healthy ranges 보다 weight alone.

Geographic location

The country that a child resides in can add to their body composition, weight, and development.

These differences are early out to components such together socioeconomic status, access to nutritious foods, and cultural traditions.

If a boy is underweight, consuming more calories may aid them with a healthy weight. A doctor can give advice about whether this is necessary and also the best way to go about it.

If a children weight drops into a variety of overweight or obesity, a doctor can offer advice about reaching a healthy weight. They might recommend diminish caloric intake and also increasing physical activity.

It is an especially helpful and also important for households of youngsters with excessive weight to occupational toward healthier habits.

Childhood weight problems is connected with a greater risk of:

sleep apneahealth issues involving the bones and joints

Also, excessive weight can expand into adulthood. Researchers have found links between obesity in adulthood and also chronic wellness problems, such together heart disease, form 2 diabetes, and certain cancers.

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Any parent or caregiver who is concerned around a child’s development or advance should above a pediatrician.