BMI Calculator - Don't Know Your BMI? Here's How to Calculate It.

Body Mass Index (BMI) is a measure of body fat based on height and weight that applies to both adult men and women. It is calculated by dividing a person’s weight in kilograms by their height in meters squared (kg/m2). A BMI of 18.5 to 24.9 is considered healthy, while a BMI of 25 or higher is considered overweight.