Munchies (in a bag) for candy. Illustration of a bowl of ramen with chopsticks. Proportion of total calories provided by proteins, carbohydrates and fats. Energy density is the amount of calories per gram of food consumed.
Foods that are rich in water and have less fat contain fewer calories. The lower your energy density, the more food you can eat with fewer calories. Energy density is measured by dividing the energy (number of calories) of the food by its weight in grams.