With obesity becoming one of the commonest worries to man,, maintaining ideal body weight has been a concern common to almost every individual. In addition, the hectic rush in all fields of modern life, especially in the professional field demands each person to keep fit enough to fight the vastness of tasks. Weight loss is therefore a daily concern.Weight loss takes into account a lot of activities on part of the person who wants to lose weight. Doing exercises, maintaining diet as prescribed by the physician or the dietician, meditation, and other measures are to be regularly performed. There is even more.If you have a target of losing a particular amount of calorie before a specific date, weight loss calculation is essential for you. Weight loss calculation or calorie loss calculation lets you know the ideal calorie intake rate that you should maintain in order to lose weight to the extent and at the rate you want. By dint of weight loss calculation or calorie loss calculation you can reach your goal of gaining your desired body weight within a deadline just by dieting. You do not need to bother to do exercises, though you can practice aerobics and light exercises to keep yourself fit in addition to maintaining the desired body weight.