Propane gas bottle refill prices typically run $15-$35 for a standard 20-pound grill cylinder, with an average near $22. The total depends on bottle capacity, the station’s per-gallon rate, how much propane the cylinder needs, and any inspection or service charge.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| 20-lb bottle refill | $15 | $22 | $35 | About 4.7 gallons at a full fill |
| 30-lb bottle refill | $22 | $32 | $48 | About 7 gallons at a full fill |
| 100-lb cylinder refill | $70 | $95 | $130 | About 23.6 gallons at a full fill |
| Propane rate | $3.00 | $4.25 | $5.50 | Per gallon, before any separate fee |
What a 20-pound propane bottle refill usually costs
Most grill cylinders hold 20 pounds of propane, equal to roughly 4.7 gallons when filled to the safe limit. At a station charging $3.50-$5 per gallon, the gas itself costs about $16-$24; a service fee, local tax, or minimum charge can raise the final bill. A typical full 20-pound refill costs about $18-$28 before unusual fees.
Prices can be lower when a customer refills a partly used bottle, since many stations charge for the propane dispensed rather than a fixed full-cylinder price. The cylinder’s weight and condition also matter: a damaged or out-of-date bottle may be refused or require replacement. Assumptions: standard refillable cylinder, ordinary access, no delivery, and a station that charges by gallons dispensed.
How propane, inspection, and service charges shape the quote
Refill quotes generally combine the propane dispensed with any handling or inspection charge. Some locations include the service in the per-gallon price; others add a fee. Ask whether the displayed rate includes taxes and whether the station bills by the gallon, by weight, or at a minimum amount.
| Quote component | Typical range | What it covers | Cost note |
|---|---|---|---|
| Propane | $3.00-$5.50 per gallon | Fuel dispensed into the bottle | Largest part of a full small-cylinder refill |
| Handling or fill service | $0-$8 per bottle | Connection and filling | May be included in the gallon rate |
| Inspection or recertification | $0-$25 | Visual check or required cylinder service | Recertification may cost more than a routine check |
| Tax or minimum charge | $0-$5 | Local tax or station minimum | Varies by location and transaction |
Confirm the total price, not only the posted per-gallon rate.
Why 20-, 30-, and 100-pound cylinders cost different amounts
Bottle capacity is the clearest price driver: a 30-pound cylinder takes about 7 gallons when full, while a 100-pound cylinder takes about 23.6 gallons. At $4 per gallon, a full refill’s fuel portion is roughly $19, $28, and $94, respectively. Actual charges depend on how empty each cylinder is when brought in.
Station rates also vary with local supply, competition, and distance from propane distribution. A rate of $5.50 per gallon instead of $3.50 adds about $9 to a nearly full 20-pound refill and about $47 to a 100-pound cylinder. Older cylinders with an expired qualification date can face inspection or recertification requirements before filling. Capacity and gallons actually dispensed matter more than the bottle’s outside dimensions.
Refilling versus exchanging a grill cylinder
An exchange commonly costs about $20-$30 for a 20-pound cylinder, while refilling often costs $15-$28 when the bottle is substantially empty. Exchange prices buy a filled cylinder through a retailer’s swap program; refill pricing pays for the propane added to the customer’s own bottle. Exchanges may provide convenience but can leave a partly full bottle behind.
Compare the amount of propane included, any exchange credit, and the condition or age of the returned bottle. Refilling can be less expensive for a valid, serviceable cylinder, especially when it is nearly empty. For a bottle that is damaged, out of date, or inconvenient to transport, replacement or exchange may be the practical choice. Refill is often the lower-cost option when the cylinder is reusable and near empty.
How regional propane rates change bottle refill prices
Local pricing can differ noticeably even within one state. Urban locations with higher operating costs may charge 5%-20% more than nearby rural or suburban stations, while rural suppliers with strong competition or bulk propane sales may offer lower rates. Remote areas can cost more because fuel delivery and distribution add expense.
Seasonal demand can affect posted prices as well. Cold-weather demand may lift rates in regions where propane heats homes, while summer grilling season can increase demand at retail refill sites. These patterns are not universal, so checking two or three nearby stations is more reliable than assuming a seasonal discount. Use local per-gallon quotes to compare stations on equal terms.
When delivery, recertification, or cylinder problems add expense
Most small grill bottles are refilled at a staffed station, so home delivery is uncommon and may have a minimum order or trip charge. For larger cylinders, delivery fees can range from about $10-$50 when offered, sometimes waived for a qualifying fuel purchase. Confirm whether a delivery quote covers the refill, the trip, and any tank service.
A cylinder that fails inspection, has a damaged valve, or has passed its qualification period may not be refillable until serviced or replaced. Depending on the issue, recertification can cost roughly $10-$25, while a new 20-pound cylinder may cost $30-$60 before propane. Never assume a station will fill a visibly damaged container. Ask about acceptance and inspection before making a special trip.
Three refill examples for common bottle sizes
A nearly empty 20-pound grill bottle filled with 4.5 gallons at $4 per gallon costs $18 in propane; with a $3 service charge and $1 tax, the total is $22. A 30-pound bottle filled with 6.5 gallons at $4.25 per gallon costs about $27.63 for fuel, or approximately $31-$36 after fees and tax.
A 100-pound cylinder filled with 20 gallons at $4.25 per gallon costs $85 for propane. A $5 handling charge and $2 tax bring the example total to $92. These estimates assume no delivery, repair, or recertification. The amount dispensed—not a bottle’s stated capacity—sets the fuel portion of each bill.
Ways to lower the next bottle refill bill
Call nearby refill stations and compare the full transaction: per-gallon rate, service fee, minimum charge, and tax. Bring a bottle that is clean, accessible, and within its qualification period to avoid a wasted trip or added service expense. For repeated use, compare refill costs with exchange pricing over several fills rather than judging by one transaction.
Choose a cylinder size that matches actual consumption, but do not buy a larger bottle solely to chase a lower per-gallon rate if transport or storage becomes difficult. Keep the cylinder upright and follow the supplier’s handling instructions. Checking fees and bottle eligibility before travel is one of the simplest ways to control refill costs.