How to Find the Caloric Content of Food
Instructions
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Check the front of the packaging for the nutritional guidelines of the food. All packaged foods need to display salt, calorie, fat and other nutrition content on the packaging.
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Check the back or sides of the packaging for the nutrition label. The packaging displays nutrient content broken down into different sections: serving size, calories per serving size, fats, salt, sugar, vitamins and minerals. Most labels base the information on guideline daily amounts.
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Calculate the amount of calories you will consume if you eat the whole package of food. For example, if one cup of soup contains 150 calories, one cup being one serving size, a can of tomato soup which contains 3 cups of soup will contain 450 calories. Your calorie intake will depend on the portion and serving size, so if you eat the whole can of soup, you will consume 450 calories.
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Use an online calorie calculator if you have bought unpackaged food. The United States Department of Agriculture provides an online nutrition database for all food groups.
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