Find Propane Tanks at Walmart: Sizes, Prices, and Availability

Diana Jun 18, 2026

Finding a reliable source for a propane tank, especially one that offers convenience and competitive pricing, is a top priority for many homeowners, campers, and grill enthusiasts. Walmart has become a go-to destination for such needs, functioning as a one-stop shop for a surprising array of outdoor and household essentials. Whether you need a small tank for your backyard barbecue or a larger cylinder for heating, understanding what Walmart offers is the first step in making a smart purchase.

Flame King 5LB Empty LP Cylinder with Type1 OPD Valve Steel Propane tank one_size in White | YSN5LB
Flame King 5LB Empty LP Cylinder with Type1 OPD Valve Steel Propane tank one_size in White | YSN5LB

Understanding the Variety of Propane Tanks at Walmart

Coleman 2pk Propane Fuel Tank: 32 Volume Canister Fuels, 2 Weight
Coleman 2pk Propane Fuel Tank: 32 Volume Canister Fuels, 2 Weight

The selection of propane tanks at Walmart is designed to cater to a wide spectrum of needs, from simple grilling to full-home energy solutions. You will not find just one size; instead, the store curates an inventory that includes compact, portable options and larger, more robust storage tanks. This variety ensures that whether you are a casual griller or someone managing off-grid living requirements, there is a product suited to your specific scenario.

Standard Grill Cylinders

20-lb Steel Propane Tank (5 Gallon) - Empty, No gauge included, Size:20 lbs
20-lb Steel Propane Tank (5 Gallon) - Empty, No gauge included, Size:20 lbs

For the majority of customers, the search begins and ends with the standard 20-pound propane tank. This size is the industry standard for gas grills due to its balance of portability and capacity. Walmart typically stocks name-brand options like America BBQ Plus or Fire Sense, which are ASME certified and constructed with safety features such as built-in overfill protection devices (OPD). These tanks are lightweight enough to transport yet provide enough fuel for hours of cooking.

Larger Residential and Recreational Tanks

5LB REFILLABLE PROPANE TANK WITH OPTIONAL CARRYING CASE
5LB REFILLABLE PROPANE TANK WITH OPTIONAL CARRYING CASE

Moving beyond the grill, Walmart also offers larger tanks for patio heaters, fire pits, and small recreational vehicles. You can commonly find 30-pound, 40-pound, and even 100-pound tanks in these sections. The 30 and 40-pound models are popular for their stability when used with high-output patio heaters, while the 100-pound (sometimes referred to as a 100-lb tank) is a favorite for homeowners looking to fuel an entire backyard kitchen or a mobile home hookup temporarily. These larger tanks provide a cost-effective way to store energy on-site.

Navigating Pricing and Refill Services

Price is always a critical factor, and Walmart's strength lies in its ability to offer everyday low prices on propane tanks and refills. They operate on a exchange model for standard sizes, where you can trade in an empty tank of the same size for a filled one. This system is straightforward and allows customers to compare the cost of the exchange against buying a new tank pre-filled. For larger tanks that are not exchangeable, Walmart may offer them pre-filled or direct customers to their propane refill partners, ensuring you leave with a full unit ready for use.

Manchester 20 lb. Empty Propane Grill Tank, Other Barbecue Accessories | 10504 | P.C. Richard & Son
Manchester 20 lb. Empty Propane Grill Tank, Other Barbecue Accessories | 10504 | P.C. Richard & Son
Common Propane Tank Sizes Available at Walmart
Size Common Use Approximate Weight (Empty)
16.4 oz (Vacation Size) Camping lanterns and portable stoves 1-2 lbs
20 lb Residential gas grills 17-18 lbs
30 lb Patio heaters 25-26 lbs
40 lb Pools, large heaters, grills 37-38 lbs
100 lb Home heating, RV use 90-100 lbs

Safety Considerations and Certifications

Safety is paramount when dealing with pressurized gas, and Walmart ensures that the tanks sold meet rigorous standards. It is crucial to look for the ASME (American Society of Mechanical Engineers) stamp on the collar of the tank. This certification indicates that the vessel has been manufactured and tested to strict safety protocols. Additionally, all tanks come equipped with a Pressure Relief Valve (PRV), which automatically releases excess pressure to prevent ruptures. Always ensure the tank is clean and dry before use to avoid corrosion issues that could compromise the integrity of the metal.

Flame King Empty Steel Propane Tank, LP Cylinder with Type1 OPD Valve, 40 lbs, Size:12" x 30" x 12", White
Flame King Empty Steel Propane Tank, LP Cylinder with Type1 OPD Valve, 40 lbs, Size:12" x 30" x 12", White

Tips for Transport and Storage

Once you have selected your tank, proper handling is essential for safety. When transporting a propane tank in your vehicle, it is vital to keep it upright to prevent the release of propane gas through the relief valve. Never leave a filled tank inside a hot car trunk or direct sunlight for extended periods, as heat can increase internal pressure. For storage, keep the tank in a cool, well-ventilated area away from electrical switches or open flames. If storing an empty tank, ensure the valve is tightly closed to keep out debris and moisture.

(eBay) 360 Degree Portable Tank Top Propane Heater Patio 35,000-42,000 BTU Camping
(eBay) 360 Degree Portable Tank Top Propane Heater Patio 35,000-42,000 BTU Camping
Flame King Empty Lightweight Aluminium Silver Forklift Propane Tank with Built-In Gauge, 33.5 Lbs
Flame King Empty Lightweight Aluminium Silver Forklift Propane Tank with Built-In Gauge, 33.5 Lbs
Magma Fp10-200 Beach Fire 5lb Refillable Propane Tank with Storage Case and Hose, Size:5 lbs, Red
Magma Fp10-200 Beach Fire 5lb Refillable Propane Tank with Storage Case and Hose, Size:5 lbs, Red
Flame King 16-Gallon Asme Horizontal Propane Tank for RV, Food Trucks, Van, or Trailers - Ysn16, Size:37.75" x 16.5" x 13", White
Flame King 16-Gallon Asme Horizontal Propane Tank for RV, Food Trucks, Van, or Trailers - Ysn16, Size:37.75" x 16.5" x 13", White
Flame King 17.6 Gallon Horizontal Asme Propane Tank Cylinder RV, Van Or Trailer, Size:27.75" (Large) × 20" (W) × 14.25" (H)
Flame King 17.6 Gallon Horizontal Asme Propane Tank Cylinder RV, Van Or Trailer, Size:27.75" (Large) × 20" (W) × 14.25" (H)
Flame King Propane Tank, 100 lbs, Multi-Valve with High-Capacity Filler, White, Size:14.7" x 14.7" x 48.7"
Flame King Propane Tank, 100 lbs, Multi-Valve with High-Capacity Filler, White, Size:14.7" x 14.7" x 48.7"
Flame King RV Trailer Horizontal ASME Propane Tank Liquid Fuels, 12.2 Gallon - Walmart.com
Flame King RV Trailer Horizontal ASME Propane Tank Liquid Fuels, 12.2 Gallon - Walmart.com
Worthington Pro Grade 100 lb Steel Propane tank Lowes.com
Worthington Pro Grade 100 lb Steel Propane tank Lowes.com
Flame King 100LB Empty Refillable LP Cylinder with POL Valve Steel Propane tank one_size in White | YSN100
Flame King 100LB Empty Refillable LP Cylinder with POL Valve Steel Propane tank one_size in White | YSN100
Propane Gas Tank Adapter | Butane Flat Gas Converter | Brass Alloy Connector for Portable Outdoor Use | Rust Resistant | Quick Connect | Camping BBQ Cylinder Adaptor | 4x3x3cm | 1 Pack, Black
Propane Gas Tank Adapter | Butane Flat Gas Converter | Brass Alloy Connector for Portable Outdoor Use | Rust Resistant | Quick Connect | Camping BBQ Cylinder Adaptor | 4x3x3cm | 1 Pack, Black
5lb Gas Vise, Size:5 lbs
5lb Gas Vise, Size:5 lbs
Does Walmart Fill & Exchange Propane Tanks
Does Walmart Fill & Exchange Propane Tanks
Flame King Refillable Propane Tank, LP Cylinder DOT Compliant, 1lb (4 Pack), Size:3.75inchW x 8.25inchH, Green
Flame King Refillable Propane Tank, LP Cylinder DOT Compliant, 1lb (4 Pack), Size:3.75inchW x 8.25inchH, Green
Flame King 20 lb Steel Propane Cylinder Tank with Built-in Gauge, OPD Valve, Pre-Purged, DOT & Transport Canada Certified, Empty LP Gas Tank, Size:12" x 12" x 17.8", White
Flame King 20 lb Steel Propane Cylinder Tank with Built-in Gauge, OPD Valve, Pre-Purged, DOT & Transport Canada Certified, Empty LP Gas Tank, Size:12" x 12" x 17.8", White
Mr. Heater Fuel Keg Refillable 1 lb. Propane Tank Steel/Brass Propane tank one_size in Black | F200048
Mr. Heater Fuel Keg Refillable 1 lb. Propane Tank Steel/Brass Propane tank one_size in Black | F200048
Manchester Tank 20 lb. Capacity Steel Type 1 LP Tank (Empty), Gray
Manchester Tank 20 lb. Capacity Steel Type 1 LP Tank (Empty), Gray
Gjx 2026 New Universal Propane Tank Gauge,Fits for 5-100Lb Propane Tank Cylinder,Propane Adapter with Pol Connection for Rv,Camper,Gas Grill,Fire Pit,Propane Heater and More, Size:1" x 1" x 1", Multicolor
Gjx 2026 New Universal Propane Tank Gauge,Fits for 5-100Lb Propane Tank Cylinder,Propane Adapter with Pol Connection for Rv,Camper,Gas Grill,Fire Pit,Propane Heater and More, Size:1" x 1" x 1", Multicolor
Flame King 5LB Aluminum Propane Tank with Gauge & OPD Valve, Corrosion-Resistant and Rust-Free, Size:8" x 16.25", Gray
Flame King 5LB Aluminum Propane Tank with Gauge & OPD Valve, Corrosion-Resistant and Rust-Free, Size:8" x 16.25", Gray
GasOne 2-Stage Auto Changeover LP Propane Gas Reg W Two 12 In Pigtails one_size | 3309
GasOne 2-Stage Auto Changeover LP Propane Gas Reg W Two 12 In Pigtails one_size | 3309

Final Recommendations

Walmart provides a practical and efficient solution for propane tank acquisition, particularly for those seeking immediate availability and the convenience of a physical retail location. By familiarizing yourself with the different sizes and understanding the exchange versus refill process, you can make a purchase that aligns with your budget and energy needs. Remember to prioritize certified products and handle the tank with care to ensure a safe and reliable fuel supply for your appliances.