Therm to Btu (3.9°C) conversion
There is more than one type of Therm. Please use the appropriate variation from the list below.
Therms (EC) to Btu (3.9°C)
Therms (US) to Btu (3.9°C)
Therms (UK) to Btu (3.9°C)
Btu (3.9°C)
One BTU is the energy required to warm 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at one atmosphere. The Btu (3.9°C) uses the calorie value of water at the temperature of its maximum density