How Many Calories in Protein, Carbohydrates and Fat?

  • Protein contains 4 calories per gram
  • Carbohydrates contain 4 calories per gram
  • Fat contains 9 calories per gram

As you see, fat contains more than twice the calories of protein and carbohydrates.

Most foods contain a mixture of protein, carbs and fat.

Calories from fat are more easily stored as fat, than are calories from carbohydrates.

See Calorie Index for calorie contents of popular foods.

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