A calorie(cal) is the amount of heat energy required to raise 1cc or 1 gram of water 1 degree C. A food calorie(Cal), also referred to as a kilocalorie(kcal), is the amount of heat energy required to raise 1 kilogram(1000 grams) of water by 1 degree C. Both a Cal and kcal are equal to 1000cal. All listings on nutritional panels are in food calories(Cal) as are all caloric references in diet plans. Hope this helps.
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