How Much Does A Propane Tank Cost To Refill?
How Much Does A Propane Tank Cost To Refill? Refilling your own propane tank costs about $3-$4 per gallon, while exchanging is usually around $5-6 per gallon. However, many exchange programs only fill their 20 lb tanks with 15 lbs of propane. How much does it cost to fill 100 gallon propane tank? Size Cost