BMI Calculator - Body Mass Index This BMI calculator is a useful tool that will let you know whether you are overweight, underweight , or just the right. Your weight alone doesn't suffice for determining the difference because an enormous, slim man can easily weigh more than an overweight woman who is short and slim. Body mass index, also known as BMI will provide the solution to this issue by determining a ratio that is a comparison of your weight and height and calculating the same number. This number is a good match for a particular category that falls within the BMI intervals, which are classified as underweight normal, overweight, and obese. To calculate your body mass index (BMI) by yourself, and understand what it signifies for the person you are, be aware of the following: How do I calculate BMI. Normal BMI. What are the different BMI ranges are. Do you calculate BMI Let's start by looking at the calculation: Then , divide you