Calculate your BMI (Body Mass Index), Waist-to-Height Ratio, Body Fat Percentage and Calorie Consumption (BMR + PAL) to find your ideal weight based on age and gender by using this app. It allows following important calculations for your health: • Body Mass Index (BMI): is defined as the body weight divided by the square of the height. It provides a rough guide since it doesn't take into account a persons build or the composition of the body weight. • Waist-to-Height Ratio: is defined as the