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How to Calculate Your BMI (Metric)

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The body mass index (BMI) is used to estimate a person’s healthy body weight based on height. To find your BMI, simply follow these easy steps.
What you'll need: 
A bathroom scale
A tape measure
A calculator
A pencil
Step on a scale and note your weight in kilograms on a piece of paper.
Using the tape measure, determine your height in meters and write this figure down as well.
Multiply your height by itself (height x height). This is your divisor.
Divide your weight by this number to find your body mass index.
You can assess whether you are at a healthy weight based on the following categories: If your BMI is less than 16.5, you are severely underweight. If your BMI is between 16.5 and 18.4, you are underweight. If your BMI is between 18.5 and 24.9, you are in the normal range. If your BMI is between 25 and 29.9, you are overweight. If your BMI is greater than 30, you are obese. If your BMI is greater than 40, you are morbidly obese.
Although the BMI is a useful tool, it is not an exact science.
The BMI does not take into account a person’s muscle mass. The BMI of a very muscular person, for example, may actually indicate that they are overweight when this is not the case.
Although a child’s BMI can be obtained using the same calculation, keep in mind that it is not based on the same categories as those listed above. Instead, a child’s BMI is compared with those of children of the same age and gender.



have have a large b.m.i does that mean im large ?

What does a high BMI mean?

Although the BMI scale is a useful tool in determining healthy weight, it is not actually a measure of the percentage of body fat. Check out this article further for more information:

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