Calculate BMI in children is very important to quickly check that our child does not suffer from any type of weight-related problem, whether it is a question of thinness or having symptoms of obesity. In both cases, it is convenient to take the appropriate measures so that, as soon as possible, the child's body mass index is within healthy ranges.
To clarify a little more what is the Body Mass Index, BMI or BMI, it is a parameter that relates our weight in function of our height. Below you have a BMI calculator for children in which you can write their height in centimeters and weight in kilograms. Then just click on the calculate button and you will automatically get a numerical data that corresponds to the BMI value obtained.
Article sections
How to interpret the BMI?
With the result of the BMI obtained by the calculator, below you have a classification of the different ranges available. The ideal is to have a body mass index between 18.5 and 24.99, since anything outside of this range gives us clues that the child may have a health problem that prevents him/her from being at an appropriate weight for his/her height.
| BMI in children | Ranking |
|---|---|
|
<16.00
16.00 - 16.99 17.00 - 18.49 18.50 - 24.99 25.00 - 29.99 30.00 - 34.99 35.00 - 40.00 >40.00 |
Severe Thinness
Moderate thinness Acceptable thinness Normal Weight Overweight Obese Type I Obese Type II Obese Type III |
Formula for calculating BMI
To calculate the body mass index in children we can apply a mathematical formula that states that their weight is related to the square of their height, something that can be expressed mathematically as follows:
In this formula, we have to express our weight in Kg and height in centimeters but squared. It is important to respect these units in each of the unknowns or we will obtain erroneous results.
Calculating children's percentiles for the youngest children
If you have a child of between 0 and 60 monthsFor the smallest children, BMI may not be the most appropriate calculation. In the case of the smallest children, the height and weight percentiles to assess more accurately whether the child is the right height and weight for his or her age.
If you wish, you can calculating children's percentiles in the link we have just left you.
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