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Bookmark or Share- BTU CalculatorWhat is a BTU? The British Thermal Unit, or BTU, is an energy unit. It is approximately the energy needed to heat one pound of water by 1 degree Fahrenheit. 1 BTU = 1,055 joules, 252 calories, 0.293 watt-hours, or the energy released by burning one match. 1 watt is approximately 3.412 BTU per hour.
- British thermal units (Btu) - U.S. Energy Information ...British thermal unit (Btu) is a measure of the heat content of fuels or energy sources. One Btu is the quantity of heat required to raise the temperature of one pound of liquid water by 1° Fahrenheit (F) at the temperature that water has its greatest density (approximately 39° F).
- British thermal unit - WikipediaThe British thermal unit (Btu) is a measure of heat, which is a form of energy. It was originally defined as the amount of heat required to raise the temperature of one pound of water by one degree Fahrenheit .
- What Is a BTU? - HomeTipsA BTU is the basic measurement used for rating how much energy it takes to produce heat. It's used in determining the efficiency of air conditioning equipment, furnaces, and any appliances that heat—such as water heaters, ovens, and fireplaces.
- British thermal unit (BTU) | BritannicaBritish thermal unit (BTU), a measure of the quantity of heat, defined since 1956 as approximately equal to 1,055 joules, or 252 gram calories. It was defined formerly as the amount of heat required to raise the temperature of one pound of water 1° F.
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