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 Therm conversion
There is more than one type of Btu. Please use the appropriate variation from the list below.
Btu (15°C) to Therm
Btu (15.6°C) to Therm
Btu (15.8°C, Canada) to Therm
Btu (15.8°C, ISO) to Therm
Btu (3.9°C) to Therm
Btu (I.T.) to Therm
Btu (I.T., pre-1956) to Therm
Btu (mean) to Therm
Btu (thermoc.) to Therm