BMI (Body Mass Index) is a numerical value calculated from your weight and height that provides a reliable indicator of body fatness for most people.
Select your preferred unit system (Metric or Imperial), enter your weight and height, then click "Calculate BMI". Your result will show your BMI value and category.
Underweight: BMI less than 18.5
Normal weight: BMI 18.5 to 24.9
Overweight: BMI 25 to 29.9
Obese: BMI 30 or greater
While BMI is a useful screening tool, it may not accurately reflect body fat in athletes (who have more muscle) or older adults (who may have lost muscle).
Yes, this BMI calculator is fully responsive and works on all devices including smartphones, tablets, and desktops.