Child BMI chart guide. Child BMI calculation and function.

This article describes how to calculate a child BMI, what is it, and information about normal value of the numbers. Compare your child’s measures with the numbers to see, if it’s worth making changes to his diet.

BMI is a certain value which is comparing of a person’s weight and height. It is a quotient of weight divided by height squared. This ratio (in comparison with the normative values) gives a more objective assessment of health and proper physical development than a comparison with the norms of average weight and height.


child BMI calculating formula

Child BMI is a useful tool in assessing their development. Keeping the height and weight in the values that are recommended by doctors reduces the risk of many health problems. This applies primarily to childhood obesity and diabetes, which, in turn, provoke other dangerous diseases.

Child BMI calculation

A normally physically developed child is a fairly broad concept. Even in cases where we are talking about the weight and height of the kids or child BMI. For example, as shown in the article about the average weight and height for kids, normal weight for a teenage girl of 15 yo is 42-71 kg. The gap between the extreme boundaries of the norm as much as 29 pounds! And this is almost 41% of the upper border and more than half of the lower border (70%!).

Of course, most likely 42 kg is the weight of the girl which height is 152 cm (as in the table), but this does not exclude the fact that, according to the table, weight 42 kg at 175 cm can be considered normal. Meanwhile, in fact, it is rather the opposite. And calculating child BMI we will see.

Normal BMI for children. Child BMI charts.

Calculating child BMI gives a more accurate picture of compliance with health standards.

To evaluate a child’s health using BMI, calculate the value and find it in the child BMI chart for boys and girls.

child BMI chart

child BMI chart for boys

If the coefficient is in the green zone of the child BMI chart, the weight-height ratio for this age is correct. Therefore, it is necessary to maintain a normal body weight with the help of proper eating habits and periodic physical activity. The child has no risk of diseases associated with overweight and obesity.

If the rate is in the child BMI chart zone for underweight children, talk to the doctor or a nutritionist to determine the likely causes and decide what to do next. They will help to adjust the child’s diet.

In the reverse situation, when, according to the child BMI chart, the child is overweight, he is at increased risk of developing diseases associated with overweight, such as:

  • hypertension,
  • diabetes,
  • high cholesterol,
  • cardiovascular disease.

Talk to a nutritionist to determine how you should change your child’s diet.

And in more severe cases, when according to the child BMI chart there is obesity in the kid, the health risks become even more serious. The kid is twice or even three times, depending on the degree of the obesity, more likely to develop diseases such as:

  • diabetes,
  • heart disease
  • atherosclerosis.

The parent should definitely contact a specialist to solve this problem.

In particularly severe cases, childhood obesity is a real threat to the life and proper functioning of the child’s body.

The child and his / her parent may also need medical advice. Child BMI is a general indicator that does not take into account some factors, so a detailed examination of the body is necessary. The doctor will analyze the child’s situation in detail and prescribe effective treatment for weight adjustment, whether underweight or obesity.

child BMI chart to diagnose childhood obesity risks

Remember that the child BMI chart is only one of the tools that determine the state of health. For example, if a child’s BMI is normal, he may still have an increased risk of health problems and nutrition-related illnesses that are not related to weight.

Therefore, to raise a healthy and happy child, parents should pay attention to other factors, as well as periodically take the child to the doctor and pay attention to the kids complaints. Not always children pretend and capricious. Sometimes they feel really bad.

Parents are the closest people to the child, who should take care of him and his development, nutrition and hygiene. Unfortunately, some of them absolutely do not take seriously what children say, do not listen to them, and do not properly care for the child’s body. All this leads to the health damage.

But there’s another side of unfitting the child BMI chart. Due to the parent’s inability to take care of the child’s hygiene and nutrition properly, the child may never learn or lose faith in the concept of “safety”. After all, if the mother brought the child to obesity or underweight, how can he think that other people will not cause harm?

There are hardly moms who do it on purpose. But let’s more carefully monitor the health of the child and timely seek help from specialists.

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