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Easily convert Calorie (cal) to Joule (J) 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 Joule (J) is the SI unit of energy, work, and heat. It is defined as the amount of energy transferred when a force of one newton moves an object one meter in the direction of the force.