kcal, Energy

kcal is an abbreviation for kilocalorie, which is equivalent to 1 Calorie, or about 4.185 kJ (kilojoules). Read more >>

I want to convert:

Metric

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British/American

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Other

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Broadly speaking, energy refers to "the potential for causing a change". There are different forms of energy. Many forms of energy refer to changes in movement of objects or their potential for causing other kinds of change. Hence, in the real world, energy can be viewed as the ability to perform an action. Read more >>