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Convert joules to calories (J to cal)

Convert joules to calories

Convert energy from joules (J) to calories (cal) online.

Conversion factor
1 J = 0.2390057361 cal

Multiply the value in joules by 0.2390057361.

Value table

J cal
1 0.239006
5 1.195029
10 2.390057
50 11.950287
100 23.900574
1000 239.005736

Help

joule: Joule (J) is the SI unit of work and energy. Equal to the work done by a force of 1 Newton when moving 1 meter.

calorie: Calorie (cal) is an extra-system unit of heat. Equal to the energy required to heat 1 gram of water by 1 degree Celsius.

Questions and answers

How many calories are in 1 J?
Answer: 0.2390057361.

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