Last update: 09-FEB-2010


Fuel Energy Content & Conversions

Here are some approximate energy conversion factors.  
The exact values will vary depending on the quality of the fuel and in some cases the pressure.

Propane

1 gallon = 91,500 BTU
1 cubic foot = 25,000 BTU
1 pound = 21,500 BTU
4.24 lbs = 1 gallon
36.39 cubic feet = 1 gallon

Natural Gas

1 cubic foot = 1,050 BTU

Gasoline

1 pound = 19,000 BTU
1 gallon = 125,000 BTU
1 gallon = 6.1 lbs

Oils

1 gallon kerosene = 135,000 BTU
1 gallon #2 oil = 138,500 BTU
1 gallon diesel = 139,200 BTU
1 gallon #6 oil = 153,200 BTU

Other Fuels (dry)

1 lb hydrogen = 51,892 BTU with steam as product
1 lb coal (anthracite) = 12,700 BTU
1 lb coal (subbituminous) = 8,800 BTU
1 lb coal (bituminous) = 11,500 BTU
1 lb pine wood bark = 9,200 BTU
1 lb hardwood bark = 8,400 BTU
1 lb wood = 7,870 BTU
1 lb dung = 7,500 BTU
1 lb waste paper = 6,500 BTU
1 lb sawdust/shavings = 3,850 BTU
1 kWH electricity = 3,413 BTU
1 therm any fuel = 100,000 BTU




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