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The Btu should not be confused with the Board of Trade Unit (BTU), an obsolete UK synonym for kilowatt hour (1 kW⋅h or 3,412 Btu). The Btu is often used to express the conversion-efficiency of heat into electrical energy in power plants. Figures are quoted in terms of the quantity of heat in Btu required to generate 1 kW⋅h of electrical energy.
Btu Btu The International Steam Table British thermal unit is used. For others, see the full list. 1.0 Btu (1.1 kJ) BTU BTU TNT-based units: gigatonne of TNT: GtTNT (none) 1.0 gigatonne of TNT (4.2 EJ) gigaton of TNT: GtonTNT (none) megatonne of TNT: MtTNT (none) 1.0 megatonne of TNT (4.2 PJ) megaton of TNT: MtonTNT Mt kilotonne of TNT: ktTNT ...
BTU (International Table) per hour: BTU IT /h ≡ 1 BTU IT /h ≈ 0.293 071 W: BTU (International Table) per minute: BTU IT /min ≡ 1 BTU IT /min ≈ 17.584 264 W: BTU (International Table) per second: BTU IT /s ≡ 1 BTU IT /s = 1.055 055 852 62 × 10 3 W: calorie (International Table) per second: cal IT /s ≡ 1 cal IT /s = 4.1868 W: erg per ...
British thermal unit: Btu Btu 1.0 Btu (1.1 kJ) BTU BTU million British thermal units: MMBtu MMBtu 1.0 MMBtu (1.1 GJ) e6BTU BTU British thermal unit (IT) Btu-IT Btu IT ...
In the United States, U-value is expressed as British thermal units (Btu) per hour-square feet-degrees Fahrenheit: Btu/(h⋅ft 2 ⋅°F) Within this article, U-values are expressed in SI unless otherwise noted. To convert from SI to US customary values, divide by 5.678. [1]
Converts measurements to other units. Template parameters [Edit template data] This template prefers inline formatting of parameters. Parameter Description Type Status Value 1 The value to convert. Number required From unit 2 The unit for the provided value. Suggested values km2 m2 cm2 mm2 ha sqmi acre sqyd sqft sqin km m cm mm mi yd ft in kg g mg lb oz m/s km/h mph K C F m3 cm3 mm3 L mL cuft ...
The conversion procedure for some units (for example, the Mach unit of speed) are built into Module:Convert as they are too complex to be specified in a table. That is indicated by entering a code (which must be the same as used in the module) in the Extra column.
Units for other physical quantities are derived from this set as needed. In English Engineering Units, the pound-mass and the pound-force are distinct base units, and Newton's Second Law of Motion takes the form = where is the acceleration in ft/s 2 and g c = 32.174 lb·ft/(lbf·s 2).