Energy value of the product is calculated in kilocalories. Typically, this indicator points to one hundred grams of product.
Before you choose the one most appropriate for calorie diet, learn about what your daily energy needs. It depends on your gender, age, and level of physical activity. On average, women engaged in mental work, it is necessary from 1800 to 2000 kcal per day. With age, this rate is getting closer to the lower limit. In adolescence, as well as active physical labor, consumption can be increased to 2500-3000 calories without sacrificing figure.
Then calculate what is the number and what kinds of food you can consume in a day. This will help you a different table calorie foods. An example of such background information presented on this site - http://www.missfit.ru/diet/table-calory/. To find out, for example, the energy value of 50 grams of pork, you have to find this kind of calorie meat in the table and then split into two indicator, since it is given to one hundred grams.
In this case, note that the energy value is given to all of the crude product. Therefore, for example, meat and pasta should be weighed before cooking.
In the early settlement Journal supply. This will help you better understand how you eat, and what could be improved. Over time, you will remember how much food you can eat in a day, and you will eliminate the need to constantly count.