The 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...

radiation. It has the units square metre kelvins per watt (m2⋅K/W) in SI units or square foot degree Fahrenheit–hours per British thermal unit (ft2⋅°F⋅h/Btu)...

both energy and work include the foot-pound force (1.3558 J), the British thermal unit (BTU) which has various values in the region of 1055 J, the horsepower-hour...

system of units, imperial system or imperial units (also known as British Imperial or Exchequer Standards of 1826) is the system of units first defined...

the building industry term for thermal resistance "per unit area." It is sometimes denoted RSI-value if the SI units are used. An R-value can be given...

water under standard atmospheric conditions be 212 °F (100 °C). The British thermal unit (Btu) is defined as the heat needed to raise the temperature of one...

The tog is a measure of thermal insulance of a unit area, also known as thermal resistance. It is commonly used in the textile industry and often seen...

(dry) cord of Northern red oak with a heating value of 22.1 million British thermal units per cord (23.3 GJ/cord) has the heating equivalent of 159 U.S. gallons...

capacity or thermal capacity is a physical property of matter, defined as the amount of heat to be supplied to an object to produce a unit change in its...

conventional units still in use include the calorie and the British thermal unit (BTU). The total enthalpy of a system cannot be measured directly because...

newtons. 1 kip = 1000 lbf ≈ 4.44822 kN Energy 1 foot-pound ≈ 1.356 J 1 British thermal unit (Btu) ≈ 1.055 kJ (1,054–1,060 J, depending on which of several definitions...

metre-kelvin: W/(m2⋅K) In the United States, U-value is expressed as British thermal units (Btu) per hour-square feet-degrees Fahrenheit: Btu/(h⋅ft2⋅°F) Within...

efficient it is. In the U.S., the SEER is the ratio of cooling in British thermal units (BTUs) to the energy consumed in watt-hours. For example, consider...

He obtained a mechanical equivalent of 770 foot-pounds force per British thermal unit (4,140 J/Cal). The fact that the values obtained both by electrical...

1 toe = 39,683,207.2 British thermal units (BTU) 1 toe = 1.42857143 tonnes of coal equivalent (tce) Conversion into other units: 1 toe = 7.33 barrels...

foot, pound and second and some other units, including the degree Rankine, degree Fahrenheit, British thermal unit and others. Annex B lists conversion...

The thermal conductivity of a material is a measure of its ability to conduct heat. It is commonly denoted by k {\displaystyle k} , λ {\displaystyle \lambda...

different units (some only of historical interest) are shown and expressed in terms of the corresponding SI unit. Conversions between units in the metric...

The therm (symbol, thm) is a non-SI unit of heat energy equal to 100,000 British thermal units (BTU), and approximately 105 megajoules, 29.3 kilowatt-hours...

transmission) BTMG—Behind The Meter Generation BTU—British thermal unit(s) BTU—Board of Trade unit (1 kWh) (UK historical) BTX—from BTX process, a mixture...

J). Erg (erg) – unit of energy and mechanical work in the centimetre-gram-second (CGS) system of units (10−7 J). British thermal unit (BTU) – equal to...

ductwork through the building. Abbreviated AH or AHU. British thermal unit (BTU) Any of several units of energy (heat) in the HVAC industry, each slightly...

theory Conversion of units of energy Empty calorie Food energy A calorie is a calorie Nutrition facts label British thermal unit Christopher W. Morris...

Watt. The unit name was proposed by C. William Siemens in August 1882 in his President's Address to the Fifty-Second Congress of the British Association...

confused with a British Thermal Unit (BTU) which is 1055 J. In India, the kilowatt-hour is often simply called a unit of energy. A million units, designated...

value of 39.68 million British thermal units (41.9 GJ). Conversion of units § Energy A Cubic Mile of Oil – Book about the unit of energy Energy density –...

engineering use other, traditional units, such as the British thermal unit (BTU) and the calorie. The standard unit for the rate of heating is the watt (W), defined...

metre (18.7 million British thermal units per cord) , than other hardwoods such as ash: 7.0 GJ/m3 (24 million British thermal units per cord), oak: 7.0 GJ/m3...

Hub per million British thermal units of LNG. Tolling fees in the Cheniere contracts vary: US$2.25 per million British thermal units ($7.7/MWh) with BG...

is approximately: 1.0×109 calories 4.184×109 joules 3.96831×106 British thermal units 3.086×109 foot-pounds 1.162×103 kilowatt-hours 2.611×1028 electronvolts...