Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

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Energy Conversion Factors

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  • 1 electron volt (eV) = 1.6021 10-19 J
  • 1 erg (erg) = 10-7 J (exact)
  • 1 calorie, thermochemical (cal) = 4.184 J
  • 1 British thermal unit (Btu) = 1055.6 J
  • 1 Q (Q) = 1018 Btu (exact)
  • 1 quad (q) = 1015 Btu (exact)
  • 1 tons oil equivalent (toe) = 4.19 1010 J
  • 1 barrels oil equivalent (bbl) = 5.74 109 J
  • 1 tons coal equivalent (tce) = 2.93 1010 J
  • 1 m3 of natural gas = 3.4 107 J
  • 1 litre of gasoline = 3.2 107 J
  • 1 kilowatthour (kWh) = 3.6 106 J
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Related Topics

• Thermodynamics

Work, heat and energy systems.

Related Documents

Energy Accumulated in Heated Water - kWh

The amount of thermal energy stored in heated water.

Energy Content in common Energy Sources

Heating fuels and their energy content.

Energy Transfer Equation

Fluid energy transfer.

Heat, Work and Energy

Heat vs. work vs. energy.

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