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4.22lbs of propane per gallon.
100,000 BTU = 1 therm and there are about 135,000 BTU in one US gallon of #2 Fuel Oil, the most common type for home heating. Therefore, 1 US gallon of fuel oil contains 1.35 …therms. The actual energy output depends on the efficiency of the furnace or boiler that is consuming the fuel.
According to the Wikipedia entry for propane, liquid propane has thermal energy 91,600 BTU per gallon. So 1 therm which is 100,000 BTU will correspond to 100,000/91,600 gallon…s, result = 1.092 gallons.
4.24 lbs per liquid gal of propane
easy - 1 gallon
there are 4.24 pounds of propane for every gallon of propane.. the average grill tank holds 20 pounds
35.79 CU FT in 1 gallon of compressed propane
1 BTU = 0.00001 Therms
.0235849056 (or so) lbs / 4.24 (lbs per gallon)
There is 4.24 pounds of propane per gallon.