# Calorie to kJ

1 calorie is equal to 0.004184 kJ. A calorie is a unit that is used to measure energy. One calorie refers to the energy needed to raise the temperature of a single kg of water by a single degree celsius in temperature. A Joule is equal to the work done by a force of one newton acting through one meter. The Joule derives its name from English physicist James Prescott Joule. A Joule can also be expressed in electrical terms as one watt-second. One watt-second is the energy released in one second by a current of one ampere through a resistance of one ohm. This converter can be used to convert any amount of Calories to kJ. Or convert any two units of measure with the PunchlistZero master converter.

calorie kJ