Calories (mean) conversion

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Calories (mean)

Abbreviation/Symbol:

  • Calorie (mean)
  • Cal

Unit of:

  • Energy and power

Worldwide use:

  • As part of the metric system but not an SI unit, calories still have widespread use but are being superceded by the Joule

Definition:

The mean calorie is the total amount of energy needed to heat one gram of air-free water from 0 to 100°C at standard atmospheric pressure, divided by 100.It's value is 4.19002 J

Origin:

The calorie was first defined in 1824 by Nicolas Clément as a unit of heat. Its a metric unit, but its use has been superceeded in the SI units by the Joule

Component units:

  • The kilogram calorie can be split into 1,000 calories