calorie
Calorie
The name
calorie is used for two
units of energy.
- The small calorie or gram calorie (symbol: cal) is the approximate amount of energy needed to raise the temperature of one gram of water by one degree Celsius at a pressure of one atmosphere.
- The kilocalorie, also known as large calorie, kilogram calorie, food calorie, and similar names (symbols: kcal, Cal or C) is small calories.