You can find a lot of helpful websites covering this. Here is one I found (Note the differences between natural gas and propane below):
"PROPANE" means a gaseous paraffin hydrocarbon, which becomes liquid under pressure or reduced temperatures, naturally occurring in crude petroleum and natural gas and also obtained by cracking, whether in gaseous or liquid form.
COMPRESSED PROPANE (GASEOUS FORM) EQUIVALENCY INFORMATION: At 14.73 lbs. of pressure per square inch (psi) and 60 degrees Fahrenheit:
• 1 cubic foot propane = 0.0278 gallons propane
• 100 cubic feet propane = 2.78 gallons propane
• 1 gallon propane = 35.97 cubic feet propane
• 100 gallons propane = 3597 cubic feet propane
"NATURAL GAS" means naturally occurring mixtures of hydrocarbon gases and vapors consisting principally of methane, whether in gaseous or liquid form.
NATURAL GAS (GASEOUS FORM) EQUIVALENCY INFORMATION: At 14.73 lbs. of pressure per square inch (psi) and 60 degrees Fahrenheit:
• 1 cubic foot natural gas = 0.012 gallons natural gas
• 100 cubic feet natural gas = 1.2 gallons natural gas
• 1 gallon natural gas = 82.62 cubic feet natural gas
• 100 gallons natural gas = 8262 cubic feet natural gas
1 Therm (thm) = approx. 100 cu. ft. (Ccf) of Natural Gas
One cu. ft. of natural gas = approx. 1000 BTUs
One cu. ft. of liquid propane (LPG) = approx. 2500 BTUs
Forum is open to all questions, answers, and discussions related to gas meters, ours or others.
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