Btu
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere.
Btu to Calories conversion
There is more than one type of Btu. Please use the appropriate variation from the list below.
Btu (15°C) to Calories
Btu (15.6°C) to Calories
Btu (15.8°C, Canada) to Calories
Btu (15.8°C, ISO) to Calories
Btu (3.9°C) to Calories
Btu (I.T.) to Calories
Btu (I.T., pre-1956) to Calories
Btu (mean) to Calories
Btu (thermoc.) to Calories
Calories
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