### What is BMI and how is it measured?

The formula is: BMI = (Weight in kilograms) divided by (Height in centimeters squared) An ideal BMI score is one that falls between 18.5 and 24.9, indicating that a person is within the healthy weight range for his or her height.

### What is BMI in physical fitness?

BMI (body mass index) is a calculated number representing a person's level of fat or obesity level. According to the Centers for Disease Control and Prevention (CDC), a BMI of 30 or above indicates obesity. BMI levels are broken down by weight range and are as follows: BMI < 18.5 is underweight.

### How do you calculate BMI?

Formula: weight (kg) / [height (m)^2.

Calculate BMI by dividing weight in pounds (lbs) by height in inches (in) squared and multiplying by a conversion factor of 703.

*Example*: Weight = 80 kg, Height = 193 cm

*Calculation*: 80 รท (1.93 x 1.93) = 21.5

### What are the BMI score ranges and what do they mean?

According to the National Institutes of Health (NIH):

A BMI of less than 18.5 means that a person is underweight.

A BMI of between 18.5 and 24.9 is ideal.

A BMI of between 25 and 29.9 is overweight.

A BMI over 30 indicates obesity.