Fitness Calculators are designed to calculate the following: The approximate percentage of body fat, Body Mass Index, number of burned calories for various activities, the pace for a given distance, the allowable daily calorie input for men and women, percentages of fats, proteins and carbohydrates needed daily, daily calorie intake from beverages consumed, blood sugar units. Fitness Calculators also contain lots of useful information both on the topics listed above and health and fitness in general.