Gas cylinder prices range from about $20 for a small disposable propane bottle to $400 or more for a large refillable cylinder, before gas, delivery, or rental charges. Size, gas type, cylinder ownership, and whether the cylinder is new or exchanged have the biggest effect on the final price.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Small propane cylinder | $20 | $35 | $60 | 1-pound refillable cylinder, empty |
| 20-pound propane cylinder | $40 | $65 | $100 | Empty; common grill size |
| 100-pound propane cylinder | $180 | $275 | $400 | Empty; delivery may cost extra |
| Welding gas cylinder | $100 | $220 | $500 | Empty purchase; gas or lease extra |
Assumptions: Typical U.S. retail pricing for empty cylinders; regional prices, gas, taxes, and delivery vary.
What common propane cylinder sizes cost to buy
A new, empty 20-pound propane cylinder typically costs $40-$100; filled, it commonly totals $55-$125, depending on the fill price and retailer. A 1-pound refillable bottle is generally $20-$60, while 30-pound cylinders run about $70-$150 empty. A 100-pound cylinder often costs $180-$400 empty, with delivery or setup potentially adding $50-$200.
For a typical grill, budgeting $55-$125 for a filled 20-pound cylinder is a practical starting point. Prices assume a standard steel cylinder without a built-in gauge or unusual fittings. Aluminum, composite, and specialty cylinders can cost more.
How valves, gas, and delivery appear on a cylinder quote
The cylinder’s purchase price is only part of the bill. A propane exchange usually charges for the filled cylinder rather than itemizing the gas, while a welding supplier may separate cylinder rental, gas, delivery, and account fees. Check whether a quote covers a new cylinder, an exchange, or a deposit that may be refundable.
| Quote item | Typical price | What changes it | How it is charged |
|---|---|---|---|
| 20-pound propane fill | $15-$30 | Local propane price and fill policy | Per fill |
| 20-pound exchange | $20-$35 | Retailer and cylinder condition | Per exchange |
| Large-cylinder delivery | $50-$200 | Distance, access, and order size | Per trip |
| Welding cylinder lease | $10-$30 | Supplier and cylinder size | Monthly or annual |
| Regulator or hose | $15-$100 | Gas type and pressure rating | Per item |
Confirm whether the quoted amount includes the gas, valve, regulator, delivery, and any cylinder deposit. Propane cylinders and oxygen, argon, carbon dioxide, or acetylene cylinders use different valves and service arrangements; a cylinder intended for one gas should not be treated as interchangeable with another.
Why 20-pound and 100-pound cylinders have different prices
Capacity affects both the cylinder price and how it is supplied. A 20-pound propane cylinder holds roughly 4.7 gallons of propane; a 100-pound cylinder holds about 23.6 gallons. The larger cylinder costs more upfront and is heavier to transport, but may reduce refill trips. Confirm the rated capacity and fuel compatibility rather than comparing cylinders by height alone.
Capacity, material, and service type can shift a cylinder quote by hundreds of dollars. For welding gas, common cylinder sizes include 40, 80, and 125 cubic feet, but capacity and fill pressure vary by gas and supplier. A larger cylinder may have a higher exchange or lease charge even when its empty purchase price looks competitive.
When does a welding gas cylinder cost more than propane?
Welding cylinders are often priced around $100-$500 empty, depending on size, material, and whether the buyer owns the cylinder. Filled exchange prices can range from about $40-$150 for common gases, but supplier policies and gas type matter. Specialty mixtures and acetylene can cost more, and some suppliers require a lease or exchange instead of selling a filled cylinder outright.
Ask welding suppliers for the first-year total, not just the cylinder purchase price. A cylinder lease, fill, delivery, and recurring account fees can outweigh a lower initial price. Buyers should also verify inspection dates and supplier acceptance before purchasing a used cylinder.
How location and delivery change the final cylinder price
Retail propane cylinders are widely available, but large-cylinder delivery and industrial gas service vary by market. In dense urban areas, delivery or service fees can be 10%-25% above a nearby suburban quote; rural trips may add 15%-40% when distance or limited routes raise costs. These are planning ranges, not fixed regional rates, and supplier minimums can matter more than distance.
Compare the delivered, filled price from at least two nearby suppliers. A lower cylinder price may not save money if delivery, exchange, or rental fees are higher. Ask whether the supplier charges a minimum order, trip fee, or deposit.
What three realistic cylinder purchases add up to
A grill owner buying one filled 20-pound cylinder might pay $40-$100 for a new empty cylinder plus $15-$30 for propane, or use a $20-$35 exchange. A homeowner choosing a 100-pound cylinder could pay $180-$400 empty, $25-$60 for an initial fill, and $50-$200 for delivery, making the first bill roughly $255-$660.
A small welding setup with an 80-cubic-foot argon cylinder might involve $150-$350 to buy an empty cylinder, $40-$100 for a fill, and $0-$30 in lease or handling charges, depending on supplier terms. These examples show why purchase, fill, and delivery should be compared as one total.
Which cylinder costs less over repeated refills
Exchange is convenient for a common 20-pound grill cylinder, while refill-by-weight can be cheaper when local filling stations charge less per gallon. A refill may run $15-$30, compared with roughly $20-$35 for an exchange, but exchange prices include the cylinder service and may provide a different cylinder. Larger cylinders can reduce refill frequency, though they require a safe storage location and may need delivery.
Estimate annual use before paying extra for a larger cylinder or premium material. For example, a cylinder used only a few times each summer may not justify a higher-cost upgrade. Compare the cost per fill, expected number of fills, and any required regulator or connection equipment.
How to lower the price without buying the wrong cylinder
Keep the gas type, valve, and capacity requirements fixed when requesting quotes; otherwise, a cheaper cylinder may not work with existing equipment or the supplier’s exchange program. Compare new purchase, exchange, and refill options, and ask for delivery and deposit charges in writing. Buying accessories separately can help, but only when they match the cylinder’s gas and pressure rating.
The safest savings usually come from avoiding unnecessary capacity and recurring fees, not substituting an incompatible cylinder. Before buying used, check for damage, readable markings, a current inspection where required, and supplier acceptance. For installation or delivery, labor can be estimated as ; common service rates are about $75-$125 per hour, with minimum charges varying by provider.