#Childrens bmi calculation how to
#Childrens bmi calculation free

BMI prime is not a particularly relevant value when we are talking about BMI for children. The reason behind dividing a person's BMI by 25 is that this value is what WHO deems to be the ideal BMI for adults. The area it would have landed on represents the percentile he or she is in.

#Childrens bmi calculation how to

To read this BMI chart for children properly, you must first find the BMI for the girl or the BMI for the boy that we are interested in (we have instructions below on how to do that using our calculator), and then locate it in the chart by looking at their age and BMI. This data is shown in the charts above and below, and they represent a compilation of all of the collected BMI data for kids in the USA, hence the name BMI chart for kids. Doctors use what is typically called a ' BMI chart for kids', also referred to as a '_BMI chart for children,' to make this comparison. It is for this very reason that the most common way to diagnose a healthy BMI for a child is by simply comparing the BMI for one boy with the BMI of all boys the same age as them (and, obviously, the same for girls). But there are also things specific to BMI for kids, such as their current development phase and whether they are in a growth spurt or have just had one the variations are bigger than for any group of adults. We have things like body type and proportions of lean body mass to body fat or even body water percentage that also affect adults (due to the difference in density of all those components).

For now, though, we will focus primarily on the BMI for kids, including how to use this calculator as a BMI calculator for boys or a BMI calculator for girls.Īpart from the shortcomings of BMI as a diagnostic tool, the reason for this comparison is the immense variation in features that affect the BMI for kids.

#Childrens bmi calculation free

Boys undergo a similar process 2-3 years later on average.įeel free to navigate to any of the calculators or come back to them later, even if you don't belong to that group you might find out some interesting information about BMI and how it relates to health. We set the distinction at 10 years old since that's the age at which you can expect some girls to start experiencing puberty and their bodies start transforming from a child's body into a woman's body. As kids approach puberty, their bodies begin to transform thus, their BMI varies accordingly. There is a distinction between the BMI for kids and BMI for teens that might seem arbitrary, but we have made such a separation to account for physical changes in individuals. If you are looking for one of our other calculators, here are links to all of them:

These include a general BMI calculator and other calculators specific for each of the most easily divisible population groups: women, men, teens, and children. When we are talking about the BMI for boys or the BMI for girls, many factors make it virtually impossible to compare them sensibly to an adult.Īt Omni, we took this into account, and we have separated our BMI calculators into 5 groups.

But in terms of physical development, they are still in the making, which means that a lot of the rules and risks that apply to adults don't apply to kids. We often say that kids are just tiny people, and in many ways, they are.