Do you want to calculate your body mass index or BMI? BMI calculator for men or women is helpful for them especially for those of you who want to calculate your BMI. Using the BMI calculator, you can easily calculate your BMI. However, have you ever calculate your BMI using the BMI calculator. Before using it, you have to know things you have to know relating to the categories. In this article, I will share the information about how to calculate body mass index in kg. Here is the information you should know.