Btu (3.9°C) conversion

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Btu (3.9°C)


  • Btu (3.9°C)
  • 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.


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

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