The Body Mass Index (BMI) is a number that describes the relative proportions of fat and muscle in your body. It is calculated using a mathematical formula based on your height and weight. This number describes the amount of fat and muscle you have, and it is used to determine whether you are in a healthy weight range. It is one of the most common tools used to estimate a person's weight, and it is very useful for people who want to lose weight.

The application calculates the BMI based on your weight and height, and the result is a number that ranges from 18. to 6. It also includes a calculation of your body fat ratio and basal metabolic rate (BMR). The BMR is the amount of energy your body uses to sustain its vital activities, and it is calculated by the application using a number of formulas.

The BMR number is used to calculate your daily caloric needs, and the results are presented in kilocalories. It also includes a number that represents your body fat percentage, which is calculated using a number of formulas.