Calories to Btu (15.8°C, ISO) conversion
There is more than one type of Calories. Please use the appropriate variation from the list below.
Calories (15°C,CIPM, 1950) to Btu (15.8°C, ISO) Calories (15 °C, NBS 1939) to Btu (15.8°C, ISO) Calories (20°C) to Btu (15.8°C, ISO) Calories (I.T.) to Btu (15.8°C, ISO) Calories (Kilogram,I.T.) to Btu (15.8°C, ISO) Calories (Kilogram,mean) to Btu (15.8°C, ISO) Calories (Kilogram,thermoc.) to Btu (15.8°C, ISO) Calories (mean) to Btu (15.8°C, ISO) Calories (nutritional) to Btu (15.8°C, ISO) Calories (thermoc.) to Btu (15.8°C, ISO)
A calorie is the amount of energy it takes to warm 1 gram of water by 1° C. One calorie is equal to 4.184 joules
One BTU is defined as the energy required at 1 atmosphere to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit. One Btu (15.8°C, ISO) equates to 1,054.5 J