Gross and Net Heating Values for some common Gases

Gross heating and net heating value for some common gases as hydrogen, methane and more

Gross heating and net heating values for some common gases can be found in the table below:

Fuel Gas(kcal/kg)(kcal/nm3) 1)
Gross Heating ValuesNet Heating ValuesGross Heating ValuesNet Heating Values
Hydrogen 33,889 28,555 3,050 2,570
Methane 13,284 11,946 9,530 8,570
Ethane 12,400 11,350 16,700 15,300
Ethylene 12,020 11,270 15,100 14,200
Natural Gas ~12,000 ~11,000 ~9,000 ~8,000
Propane 12,030 11,080 24,200 22,250
Propylene 11,700 10,940 22,400 20,900
n-Butane 11,830 10,930 31,900 29,400
Iso-Butane 11,810 10,900 31,700 29,200
Butylene-1 11,580 10,830 29,900 27,900
Iso-Pentane (liquid) 11,600 10,730
LPG (average) 11,920 10,997 28,000 25,775
Acetylene 11,932 11,514 13,980 13,490
Carbon Monoxide 2,411 2,411 3,014 3,014

1) nm3 = normal cubic meter

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