Stoichiometric air-fuel ratios of common fuels

Blown&Injected

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May 31, 2001
You guys have probably seen this but thought it was interesting enough to post in this forum...

Stoichiometry - Wikipedia, the free encyclopedia

Stoichiometric air-fuel ratios of common fuels

Fuel By weight By volume [1] Percent fuel by weight

Gasoline 14.7 : 1 - 6.8%
Natural Gas 17.2 : 1 9.7 : 1 5.8%
Propane (LP) 15.5 : 1 23.9 : 1 6.45%
Ethanol 9 : 1 - 11.1%
Methanol 6.4 : 1 - 15.6%
Hydrogen 34 : 1 2.39 : 1 2.9%
Diesel 14.6 : 1 - 6.8%
 
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