Full name: kilogram calorie
Plural form: kilogram calories
Symbol: kcal
Category type: energy
Scale factor: 4185.8
The SI derived unit for energy is the joule.
1 joule is equal to 0.00023890295761862 kilogram calories.
Valid units must be of the energy type.
You can use this form to select from known units:
The large calorie or kilogram calorie approximates the energy needed to increase the temperature of 1 kg of water by 1 °C. This is about 4.185 kJ, and exactly 1000 small calories.