Caloric value refers to the amount of energy that food provides when consumed. It is measured in calories, which are units that indicate how much energy the body can obtain from a specific food item. Different foods have varying caloric values based on their composition, such as carbohydrates, proteins, and fats. Understanding caloric value is important for managing diet and nutrition. For instance, carbohydrates typically provide 4 calories per gram, while fats offer about 9 calories per gram. This knowledge helps individuals make informed choices about their food intake to maintain a healthy lifestyle.