Men:
0-5 Essential Fat
6-13 Athletes
14-17 Fitness
18-24 Average
25+ Obese
Women:
10-13 Essential Fat
14-20 Athletes
21-24 Fitness
25-31 Average
31+ Obese
Body mass index (BMI) is a measure of your body weight per unit of height, calculated by dividing your weight in kilograms by your height in meters squared. Although not as accurate or useful as your body fat percentage, BMI gives you a general idea of whether or not you should lose weight.