If you have ever asked yourself, “how many calories should I eat?” then you have probably tried to do something about getting the information. Wherever weight is concerned, you will find people going to many extremes to make sure that they maintain a standard weight. There are those who prefer a slender body, so they will do everything in their power to lose any additional weight, and then there are those who prefer a slightly bigger build than what they have now so they will make sure that they get a weight gaining diet. All these can be achieved by making sure that you create a food diary which will be able to show you how many calories you consume in a day, month or year. The diary will assist you in monitoring your calorie intake so as to make sure that you are not only creating the right kind of calorie deficit, but that you are eating the right amount of calories as well.