Definition: This number is computed based on a person's height and weight; it represents a measure of total body fat. A Body Mass Index ranging from 18.6 to 24.9 is considered normal. A Body Mass Index of 18.5 or below suggests that the person is underweight. Body Mass Index values ranging from 25 to 29.9 suggest that the person is overweight. With a Body Mass Index of 30 or more, the person is considered obese.
Also Known As: BMI
Examples: Despite a Body Mass Index of 16.4, Bethany believed that she needed to lose more weight.
