How many calories are in one gram of fat, carbohydrate, or protein?

Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram. You can view this information on the bottom of the Nutrition Facts Panel on food packages. For more information about these three macronutrients, visit the FNIC webpages for Carbohydrates, Proteins, and Fats

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