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2019 Propane Tank Costs (500 gallon, 100 gallon & more ...

The price of propane varies throughout the year, but hovers around $2.00 to $2.75 per gallon. Companies offering refills may charge as much as $3.25 to $4.00 per gallon. Keep in mind that your refill will only reach 80% of capacity, per industry standards. This means that a 20-lb refill may be closer to 15 or 16 lbs.