Select the unit you wish the table to convert from Select type of Calories Calories (15°C,CIPM, 1950) Calories (15 °C, NBS 1939) Calories (20°C) Calories (I.T.) Calories (Kilogram,I.T.) Calories (Kilogram,mean) Calories (Kilogram,thermoc.) Calories (mean) Calories (nutritional) Calories (thermoc.)