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Btu (mean)
Abbreviation/Symbol:
Btu (mean)
BTU
Btu
Unit of:
Energy and power
Worldwide use:
The BTU is regularly used in English-speaking metric countries. It is widely used in heating and air conditioning, and power and steam generation.
Definition:
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere. The Btu (mean) uses a result averaged over water temperatures 0 to 100 °C (32.0 to 212.0 °F) which is approx. 1055.87 J
Common references:
A 4inch wooden match that is completely burned generates approximately 1 BTU. one kilowatt-hour of electricity generates about 3,400 Btu, One pound of air-dried wood about 7,000 Btu, and a ton of coal about 20 million Btu
Usage context:
Used in the US, Canada and Caribbean to measure energy, and also used to help measure natural gas prices