How Many Propane Tank Sizes Are There? | James O2 (2024)

An Overview of Options

How Many Propane Tank Sizes Are There? | James O2 (1) Propane tanks come in a variety of sizes to meet the diverse needs of homeowners, businesses, and industries. Whether you’re grilling on your patio, heating your home, or running industrial equipment, there’s a propane tank size that’s just right for you. So let’s explore the different sizes of propane tanks available, their uses, and how to choose the right one for your needs.

Propane Tank Sizes & How They are Used

Here are the more common sizes for propane tanks and their applications:

  • 20-Pound Propane Tank: The 20-pound propane tank is the most common size used by homeowners. Often seen attached to barbecue grills, this tank holds approximately 4.7 gallons of propane. It’s portable, easy to refill, and widely available, making it perfect for small-scale residential use. James Oxygen & Supply offers $20 refills for 20-pound grill propane tanks.
  • 30-Pound Propane Tank: Slightly larger than the 20-pound tank, the 30-pound propane tank holds about 7 gallons of propane. It’s commonly used for recreational vehicles (RVs), travel trailers, and small appliances such as portable heaters and cooktops. This size offers more fuel without sacrificing too much portability. James Oxygen & Supply delivers 30-pound tanks in Catawba County.
  • 40-Pound Propane Tank: The 40-pound propane tank can hold around 9.4 gallons of propane. It’s suitable for larger RVs, commercial grills, and medium-sized appliances. This tank size provides a good balance between capacity and portability, making it a versatile option for various applications. James Oxygen & Supply delivers 40-pound tanks in Catawba County.
  • 100-Pound Propane Tank: Holding approximately 23.6 gallons of propane, the 100-pound tank is often used for home heating, hot water, RVing, camping, cooking, big trucks, larger appliances, and apartments that use propane for cooking. It’s too heavy to be considered portable when full, but it’s still manageable for home use. This size is ideal for homeowners who need a reliable source of propane without committing to a large, stationary tank. James Oxygen & Supply is your reliable propane delivery company.
  • 420-Pound Propane Tank: Also known as a 120-gallon tank, the 420-pound propane tank holds about 100 gallons of propane. This tank is typically used for residential heating, hot water, and larger appliances. It’s a stationary tank, usually installed permanently on a property. This size provides a significant amount of fuel and reduces the frequency of refills.
  • 500-Gallon Propane Tank: The 500-gallon propane tank holds about 400 gallons of propane and is commonly used for whole-home heating, large appliances, and agricultural applications. It’s a large, stationary tank designed for properties that have high propane usage. This size is ideal for homes or businesses that require a substantial and consistent supply of propane.
  • 1,000-Gallon Propane Tank: The 1,000-gallon tank is a heavy-duty option that holds about 800 gallons of propane. It’s used for large homes, commercial buildings, industrial sites, and agricultural operations. This tank is typically installed underground or aboveground in a permanent location. It provides a vast amount of propane, ensuring long-term supply for high-demand applications.

Choosing the Right Propane Tank

When selecting a propane tank size, you should consider the following factors:

  • Usage: Determine the primary use of the propane—whether it’s for grilling, heating, or industrial purposes. Different applications require different amounts of propane.
  • Frequency of Use: Consider how often you use propane. Higher frequency and larger appliances will require a bigger tank to avoid frequent refills.
  • Space Availability: Assess the space available for the tank. Larger tanks require more installation space and may need to be placed in specific locations due to regulations.
  • Portability Needs: If you need a tank that can be easily moved, opt for smaller sizes. Larger tanks are typically stationary and more suitable for long-term installation.

Propane tanks come in a wide range of sizes, each designed to meet specific needs and applications. From small 20-pound tanks for grilling to large 1,000-gallon tanks for industrial use, there’s a propane tank size that will fit your needs. By understanding your usage, frequency, space availability, and portability needs, you can choose the right propane tank to ensure a reliable and efficient supply of fuel.

James Oxygen & Supply

James Oxygen & Supply has been a reliable source of quality propane, propane products, and much more in Western North Carolina for over 60 years. Our customers trust us for good reason. We are family-owned and service-focused. Whether you need propane for residential or commercial use, we’ll get to work for you. We provide cylinder refills and exchanges as well as propane delivery.

Whatever your propane need, let the professionals at James Oxygen & Supply help. Contact us today to learn more.

How Many Propane Tank Sizes Are There? | James O2 (2024)


How many different sizes of propane tanks are there? ›

100 Pound (lb) Propane Tank. 100 Gallon Propane Tank. 500 Gallon Propane Tank. 1000 Gallon Propane Tank.

What size does propane gas come in? ›

Cylinder Size Guide
Cylinder sizes may vary depending on manufacturer
Propane:5kg Patio Gas306mm
51 more rows

What size do gas tanks come in? ›

Most vehicles' average fuel tank capacity is between 10.5 and 18.5 gallons. Smaller vehicles like subcompact crossovers and other hatchback models generally hover somewhere around 12 gallons.

What is the largest size of propane cylinder? ›

Large propane tank sizes for your home or business:
  • 120-gallon propane tank size: ...
  • 250-gallon propane tank size: ...
  • 325-gallon propane tank size: ...
  • 500-gallon propane tank size: ...
  • 1,000-gallon propane tank size: ...
  • 1,990-gallon propane tank size: ...
  • 30,000-gallon propane tank size: ...
  • Portable Grill Tanks:
Jun 27, 2024

What is the largest propane tank you can buy? ›

Underground propane tanks come in multiple sizes ranging from 250 gallons to 1,500 gallons. Underground propane tanks handle colder and extreme temperatures better than above ground tanks.

Does a 100 lb propane tank have more pressure than a 20 lb tank? ›

The pressure in a 100# tank should be no different that in a 20# tank.

What is the difference between type 1 and type 2 propane tanks? ›

Propane tank connections are often broken down into either Type 1 or Type 2. The difference between the two is that A Type 1 valve is attached to the propane hose from the grill with a large plastic screw connection that needs to be firmly tightened for the valve to operate correctly.

Does propane go bad? ›

Unlike those other types of fuel, propane never “goes bad.” It makes propane an extremely smart choice for all kinds of appliances and equipment in your home. This includes water heaters—which you use all the time—but also for those appliances you use sporadically, like space heaters and fireplaces.

What size is a standard grill propane tank? ›

The most commonly used propane tank, the 20 lb tank is the standard size tank for barbecue grills, mosquito magnet, turkey fryer, small space heaters. However, the 20 lb tank can be used on several other propane applications. A 20 lb propane tank holds 4.5 gallons of propane and weighs 37 pounds full.

How much does a 20 lb propane tank weigh when full? ›

Typically, a full 20-pound tank weighs 37 pounds because the weight of an empty cylinder—also called the Tare Weight (TW)—is 17 pounds. It holds 20 pounds of fuel, which is called its Water Capacity (WC), adding up to 37 pounds. Each portable propane tank has a marking on the neck for the TW and the WC.

How close to a house can a propane tank be? ›

For 125- to 500-gallon propane tanks, the distance is at least 10 feet – from any building and from any property line. Same with underground propane tanks that hold up to 2,000 gallons: The minimum distance, from either a building or a property line, is 10 feet.

How much propane is in a blue Rhino 20 lb tank? ›

The 20 pound tank can hold 4.76 gallons. If you use a bottle exchange, you will only get 15 pounds ( says so right on the label) or 3.57 gallons.

Do different size propane tanks have different pressures? ›

Pressure in a propane tank, large or small, can range between 100 and 200 psi...or even higher when the tank gets hot in the sun.

Why is it called a 100 lb propane tank? ›

You have probably heard propane referred to in pounds: 20 lb tank, 33 lb tank, 100lb and so on. That refers to the weight of the tank when it's full of propane.

Is there a difference between a 15 and 20 lb propane tank? ›

A store or company may try to tell you that the 20 lb cylinder can only hold 15 pounds because they cannot be filled all the way up due to safety. They are double counting. With the full 20 lbs there is still about 20% space left for expansion. The "20 lbs" already takes this into account.

How long will a 100 gallon propane tank last? ›

If you have a 100-gallon tank and use the hot water heater for two hours per day, the propane tank should last around 25-30 days. Tips for accurate tank usage estimation include keeping track of how much propane you use each month and checking the fuel level regularly.


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