how can i find out how many calories are in something?
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To use this tool, scientists place the food in question in a sealed container surrounded by water and heat it until the food is completely burned off. Scientists then record the rise in water temperature to determine the number of calories in the product.
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The calories in food come from carbohydrates, proteins, and fats. A gram of carbohydrate contains 4 calories. A gram of protein also contains 4 calories. A gram of fat, though, contains 9 calories — more than twice the amount of the other two.
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The total is the number of calories burned on an average day. This figure shows that a man of this age, height, weight, and activity level can consume 2,663 calories and maintain his current weight.
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Just take your current weight and multiply it by 13 (if you don't exercise at all), 15 (if you exercise a few times weekly) or 18 (if you exercise five days or more a week). The number you'll be left with is a rough idea of how many calories you're most likely eating right now.
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['Divide 400 calories by 9 to get 44 grams. Then divide 700 calories by 9 to get 78 grams.', 'Divide 200 calories by 9 to get 22 grams.']
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Each gram of fat yields 9 calories. A calorie is a measurement, just like a teaspoon or an inch. Calories are the amount of energy released when your body breaks down (digests and absorbs) food. The more calories a food has, the more energy it can provide to your body.
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Assuming it takes 10 calories per pound to maintain your weight, take your weight and multiply it by 10. For example, if you weigh 150 pounds, then your caloric allowance is 1,500 calories (150 x 10 = 1,500).
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['Calories: 86.', 'Water: 77%', 'Protein: 1.6 grams.', 'Carbs: 20.1 grams.', 'Sugar: 4.2 grams.', 'Fiber: 3 grams.', 'Fat: 0.1 grams.']
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When people talk about the calories in food, what do they mean? A calorie is a unit of measurement — but it doesn't measure weight or length. A calorie is a unit of energy. When you hear something contains 100 calories, it's a way of describing how much energy your body could get from eating or drinking it.
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Food calorimetry allows us to determine the number of calories per gram of food. In this activity, a piece of food is burned and the released energy is used to heat a known quantity of water. The temperature change (∆T) of the water is then used to determine the amount of energy in the food.
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Calories are a measure of energy. One calorie is the heat energy that it takes to raise the temperature of one gram of water by one degree Celsius. There is some confusion, since in the food industry; the word Calorie actually refers to a kilocalorie, which is one thousand actual calories.
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['Use an activity tracker or an app that will estimate your calorie burn for you. ... ', 'A heart rate monitor is one of the best ways to measure your calorie burn.']
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Thus, 1 kilocalorie (kcal) = 1000 calories (cal). By convention in food science, the large calorie is commonly called calorie (with a capital C by some authors to distinguish from the smaller unit).
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['Calories: 127.', 'Water: 67%', 'Protein: 8.7 grams.', 'Carbs: 22.8 grams.', 'Sugar: 0.3 grams.', 'Fiber: 6.4 grams.', 'Fat: 0.5 grams.']
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How many calorie in 1 grams? The answer is 7.7161791764707. We assume you are converting between calorie [burned] and gram. You can view more details on each measurement unit: calorie or grams The SI base unit for mass is the kilogram.
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['Carbs (four calories per gram): 1,150 divided by 4 equals 287.5 grams of carbs.', 'Protein (four calories per gram): 575 divided by 4 equals 143.75 grams of protein.', 'Fat (nine calories per gram): 575 divided by 9 equals 63.8 grams of fat.']
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Checking calories in food The calorie content is often given in kcals, which is short for kilocalories, and also in kJ, which is short for kilojoules. A kilocalorie is another word for what's commonly called a calorie, so 1,000 calories will be written as 1,000kcals. Kilojoules are the metric measurement of calories.