Forum Discussion
Lwiddis
May 06, 2020Explorer II
One gallon of propane weighs 4.2 pounds. A "full" 20 lb cylinder should have 4.7 gallons of propane in it which translates to about 430,000 BTUs. Dividing 430,000 by 58,000 BTUs burned per hour gives us 4.7 hours on one bottle of that size. I also balance checkbooks but charge for that basic arithmetic.
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