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Easily convert Calorie (cal) to Kilocalorie (kcal) in the Energy category with ConvertOnline's efficient tool.
The calorie (cal) is a unit of energy commonly used to measure the energy content of foods and the energy expenditure of physical activities. It is defined as the amount of energy needed to raise the temperature of one gram of water by one degree Celsius at standard atmospheric pressure.
The kilocalorie (kcal) is a unit of energy commonly used to measure the energy content in food and the energy expenditure of physical activities. One kilocalorie is equivalent to 1,000 calories and is often referred to simply as a 'calorie' in dietary contexts.