Body Mass Index
|Normal weight||= 18.5–24.9|
|Obesity||= BMI of 30 or greater|
Body mass index, or BMI calculator
Body mass index, or BMI, is a measure of body size. It combines a person’s weight with their height. The results of a BMI measurement can give an idea about whether a person has the correct weight for their height.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.