How Much Does a Propane Refill Cost

The cost of a propane refill depends on the tank size, location, and current propane prices. On average, propane refills cost $3 – $5 per gallon, with a standard 20 lb tank refill costing $15 – $25. 1. Propane Refill Cost by Tank Size 📌 Tip: Prices vary based on location, propane demand, and refill…