What is the difference between calories and fat calories?
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Female Speaker: What is the difference between calories and calories from fat? Tracee Yablon-Brenner: The calories listed show the amount of energy in one serving of food. Fat calories are different because there is 9 grams of fat per calorie. So, if there is 10 grams of fat, you multiply 10 times 9, which is 90 calories from fat.