Calories (nutritional)
Abbreviation/Symbol:
Calorie (nutritional)
Cal
Unit of:
Energy
Power
Worldwide use:
Although the SI unit of nutritional energy is the Kilojoule, most people still use the Kilocalorie (often refered to as a Calorie)
Definition:
One nutritional calorie is the amount of energy needed to warm 1 kilogram of water by 1° C. It is equal to 4,184 J
Origin:
The calorie was first defined by Nicolas Clément as a unit of heat in 1824. It is a metric unit but its use has been superceeded in the SI units by the Joule
Common references:
There are 139 nutritional kilocalories in a 330ml can of Coca Cola. A medium-sized banana typically contains approximately 100 nutritional kilocalories. A typical pint of full fat milk contains 128 nutritional kilocalories
Usage context:
Although the SI unit of nutritional energy is the Kilojoule, most people still use the Kilocalorie (often refered to as a Calorie)