This calculator provides body mass index (BMI) and the corresponding BMI weight status category for adults 20 years and older. For children and teens, 2 through 19 years, use the BMI Calculator for Children and Teens.

Calculate Your Body Mass Index. Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. Enter your weight and height using standard or metric measures. Select "Compute BMI" and your BMI will

Calculate BMI before considering more expensive and invasive options. A person with a BMI under 25 is considered to have a healthy body weight. However, if you have a higher than normal muscle percentage, your BMI might be higher. In that case, a BMI high