What is a Calorie, And why i should calculate my calories?
The calorie is a unit of energy from the caloric theory of heat. The large calorie, also called the food calorie, is the heat needed to raise the temperature of one liter of water by one degree Celsius. In comparison, the small calorie is the heat needed for the same temperature increase in one milliliter of water. 1 large calorie equals 1000 small calories.