​​​Energy Conversion Factors​

Energy Units can often be confusing. For quick calculations use our online Energy Factor Conversion Calculator.

Below is a quick summary of frequently used units of measure.

Frequently Used ​Units of Measure

 1 MMBTU

=

 10 Therms

=

  ​​1 dekatherm (dth)

 1 MCF

=

 1000 cubic feet

=

 1 MMBTU*

 1 BCF

=

 1 billion cubic feet

=

  1 million MMBTU*

 1 TCF

=

 1 trillion cubic feet

=

 1000 BCF

 1 gigajoule

=

 0.9478 MMBTU

 

 1 Kilowatt-hr

=

 3412 BTU

 

 #2 oil

=

 139,000 BTU/gal

 

 #6 oil

=

 150,000 BTU/gal

 

 Propane

=

  91,600 BTU/gal

 

*Based on natural gas approximate heat value of 1,000 BTU per cubic foot.

Click here [link] for a table of additional conversion factors.

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