British Thermal Unit (BTU)

By May 5, 2022No Comments

The British thermal unit (BTU or Btu) is a unit of heat; it is defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit.

One Btu is approximately:

  • 054 to 1.060 kJ (kilojoules)
  • 2931 W⋅h (watt hours)
  • 252 to 253 cal (calories)
  • 25 kcal (kilocalories)