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Do you mean a calorie? A calorie is a unit used for measuring the amount of energy in food.
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In biology, the calorie is a unit of heat energy. The calorie is used to measure the amount of energy in the chemical bonds in molecules. A calorie is the amount of energy it takes to increase the temperature of 1 gram of water 1°C. Our normal use of the term 'calorie' is used to describe the amount of heat energy in food, but we actually use the kilo-calorie. For example, a cheeseburger that is advertised as having 300 calories actually contains 300,000 calories of energy.
Energy from food is measured in calories or kilocalories (or Calories with a capital "C"). On food labels, the Calorie (kilocalorie) form is used.A calorie is the amount of energy it takes to heat up one gram of water one degree Celsius. It is about 4.2 Joules.A Calorie (or kilocalorie) is the amount of energy it takes to heat up one kilogram of water one degree Celsius. It is about 4.2 KiloJoules.
Wrong. The calorie is not an SI unit, and it is confusing because it comes in two varieties: gram when spelled calorie (small c) and Kilogram when spelled Calorie (Capital C). The SI energy unit is the Joule.
calorie
answer:A calorie is a unit of measure used to describe the energy in food. It is defined as the amount of heat required to raise the temperature of 1kg of water 1 degree Celsius at 1 atmosphere pressure, or 4.184 Joules.Another AnswerA calorie is an obsolescent unit of measurement (cgsA system) used to measure energy; it is not simply used to measure the energy available in food, as implied by the original answer. It was defined as the amount of energy required to raise the temperature of one gram of water by one degree Celsius at standard atmospheric pressure.The original answer is not describing a calorie, but a kilocalorie which is 1000 calories.
The recommended unit for any type of energy is, of course, the joule. The older unit, calorie, is still often used for food. If spelled with a capital "C", "Calorie", it usually means a kilocalorie.
Food energy is measured in Calories. A Food Calorie is 1 Kilojoule, or 1,000 Science Calories.
Calories can be broadly classified as1.large calories2.small calories1. Large calories : This is also called as kilogram calorie, dietary calorie, nutritionist's calorie or food calorie."It is the energy required to increase the temperature of 1 kg of water by 1 degree C under 1 atmospheric pressure."In conversion, 1kcal = 1 cal (in terms of large cal)2. Small Calories : This is also called as gram calorie. (the other term you are refering in the question, 'calorie')"It is the energy required to raise the temperature of 1gm of water by 1 degree C under 1 atmospheric pressure"In conversion, 1Kcal = 1000 cal (interms of small cal)So, when you are talking about 'calories', it refers to small calories.And when you are talking about food calories or calories related to dietary facts, it refers to 'large calories', and remember the conversion holds.
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A Calorie