How Long Does A Propane Tank Last Fire Pit?

As an experienced backyard enthusiast, I’ve spent countless evenings around a fire pit, entranced by the glow of the flames.

A common question is, “How long does a propane tank last for a fire pit?

The answer can vary, depending on several factors, such as the size of your propane tank, the BTU rating of your fire pit, and how high you set the flame.

In this comprehensive guide, we’ll explore these variables in detail, providing you with a clear understanding of propane consumption for your fire pit.

So, grab a cosy blanket and settle in as we demystify this common backyard query.

How Long Does A Propane Tank Last Fire Pit?

How Long Does A Propane Tank Last Fire Pit?

To answer this, we need to consider several factors: the propane tank size, the BTU (British thermal unit) output of your fire pit, and the flame’s intensity.

Remember, these estimates assume continuous usage without turning off the fire pit, which is rarely true.

The BTU ratings below can be reduced by keeping the flame low, allowing for longer usage time from your tank.

H-Burner Drop-In Pans

SizeCapacity (BTU)Running Hours
18” x 6” Drop-In Pan70,000 BTU6 hours
24” x 8” Drop-In Pan90,000 BTU4.5 hours
30” x 10” Drop-In Pan125,000 BTU3.5 hours
36” x 12” Drop-In Pan165,000 BTU2.5 hours

Linear Burner Drop-In Pans

SizeCapacity (BTU)Running Hours
30” x 6” Drop-In Pan54,000 BTU8 hours
36” x 6” Drop-In Pan65,000 BTU6.5 hours
48” x 6” Drop-In Pan91,000 BTU5 hours

Round Drop-In Pans

SizeCapacity (BTU)Running Hours
13” Round Drop-In Pan48,000 BTU9 hours
19” Round Drop-In Pan92,000 BTU4.5 hours

Round Burner Rings

SizeCapacity (BTU)Running Hours
6” Round Burner Ring48,000 BTU9 hours
12” Round Burner Ring92,000 BTU4.5 hours
18” Round Burner Ring147,000 BTU3 hours
24” Round Burner Ring294,000 BTU1.5 hours


SizeCapacity (BTU)Running Hours
18” x 6” H-Burner75,000 BTU6 hours
24” x 8” H-Burner125,000 BTU3.5 hours

CSA Certified Burner Kits

SizeCapacity (BTU)Running Hours
10” Square CSA Burner Kit37,000 BTU11.5 hours
12” Round CSA Burner Kit37,000 BTU11.5 hours
18” Square CSA Burner Kit55,000 BTU7.75 hours
18” x 6” CSA Burner Kit65,000 BTU6.5 hours
19” Round CSA Burner Kit55,000 BTU7.75 hours
24” x 8” CSA Burner Kit65,000 BTU6.5 hours
30” x 6” CSA Burner Kit55,000 BTU7.75 hours
30” x 10” CSA Burner Kit65,000 BTU6.5 hours
36” x 6” CSA Burner Kit65,000 BTU6.5 hours
36” x 12” CSA Burner Kit65,000 BTU6.5 hours
48” x 6” CSA Burner Kit145,000 BTU3 hours

How Can I Make My Propane Last Longer?

Making your propane last longer is a common goal for many outdoor enthusiasts. Not only can it save you money, but it also reduces the hassle of frequently changing tanks. Here are some best practices to help extend your propane usage.

1. Lower the Flame:

The intensity of your flame significantly impacts your propane usage. Lowering it can extend the life of your propane tank. It might mean a cooler fire pit, but the trade-off is longer used.

2. Use a Propane Tank Blanket

Propane tank blankets help maintain the tank’s temperature in cold weather, ensuring efficient gas flow and less propane usage.

3. Regular Maintenance

Keep your fire pit in good working condition. A clean and well-maintained fire pit operates more efficiently, thus using less propane.

4. Turn off When Not in Use

How Can I turn off and turn on  Propane tank regulator?

If you’re away from the fire pit, turn it off. Even a small flame can consume a significant amount of propane over time.

5. Use a Wind Guard

A wind guard can prevent the flame from being blown around by the wind, which can increase propane usage.

By implementing these tips, you can extend the lifespan of your propane tank and enjoy more cosy evenings around the gas fire pit. Stay tuned for more in-depth guides on how to optimize your outdoor space.

What Size Propane Tank Do I Need For A Fire Pit?

The tank size depends on usage frequency and the BTU rating of your fire pit. A 20-pound tank suffices for moderate use, lasting 4-5 hours on high.

Heavier users or high BTU fire pits might require a 100-pound tank for extended use. Ensure compatibility between your fire pit and propane tank.

Consider local regulations and safety measures when choosing your tank. Always consult professionals to correctly determine your propane tank size and safely install it for an enjoyable, worry-free fire pit experience.

Do Propane Fire Pits Use A Lot Of Propane

Propane fire pits are an efficient and eco-friendly option for outdoor heating. Still, many wonder, “Do propane fire pits use a lot of propane?” The answer largely depends on the BTU rating of your fire pit.

BTU, or (British thermal unit), represents the heat a fire pit generates. A pit with higher BTU ratings will consume more propane.

On average, a medium-sized fire pit with a BTU rating of 40,000 will burn approximately one pound of propane every 1.5 hours.

So, for a standard 20-pound propane tank, you can expect around 4-5 of burn time. However, this will vary based on the fire pit’s size, design, and efficiency.

Considering these factors when estimating propane usage for your fire pit is essential, ensuring cost-effective, enjoyable outdoor heating. Adjust your fire pit to an optimal heat setting for maximum efficiency.

How to Calculate the Number of Hours a Tank Will Last

The calculation involves understanding the grill’s BTU (British Thermal Unit) rating and the propane tank’s capacity.

Most standard grill propane tanks hold 20 pounds or approximately 4.7 gallons of propane. A grill with a BTU rating of 40,000 used at full power will burn about 1.8 pounds of propane per hour.

So, to calculate the burn time, divide the tank’s total capacity (20 pounds) by the hourly propane usage (1.8 pounds/hour), which will give approximately 11 hours of grilling time.

However, grills are seldom used at full power, so your tank may last longer. This is an estimated calculation, and the actual duration can vary based on specific grill efficiency and usage.

Regularly checking your propane tank levels will help avoid unexpected interruptions during barbecue sessions.

Tips for Propane Tank Maintenance

Propane tank maintenance is crucial for enjoying a seamless grilling experience. Here’s how to keep your grill tank in peak condition.

  1. Regularly check for leaks using soapy water; bubbles indicate gas escapes that need immediate attention.
  2. Regularly replace your grill tank, as using an old or expired tank can be dangerous. Conduct professional inspections annually to detect potential issues early.
  3. Keeping your tank in a cool, well-ventilated area is also advisable, away from direct sunlight and flammable materials.
  4. Use protective covers to shield the tank from weather elements.
  5. Furthermore, always transport the tank in an upright position to avoid damage.
  6. The grill tank pressure should be kept at the recommended levels.
  7. Refrain from filling the tank; an overfilled tank can lead to hazardous situations.

Following these best practices for grill tank maintenance will ensure your barbeque moments are safe and enjoyable and extend your grill’s lifespan.

Factors That Affect A Propane Tank’s Lifespan

Understanding the factors that affect a propane tank’s lifespan can help you optimize its usage. Here are some key elements to consider:

1. Usage Frequency

The more frequently you use your fire pit, the quicker you deplete your propane tank. Intermittent use can extend the tank’s lifespan.

2. Flame Intensity

A higher flame means more heat but also faster propane consumption. Keeping the flame at a moderate level can help your propane last longer.

3. BTU Rating

BTU, or British thermal unit, is a measure of heat output. Fire pits with higher BTU ratings will consume propane faster.

4. Ambient Temperature

Propane consumption can increase in colder temperatures. This is because propane, a liquid in the tank, needs to vaporize before it can be used, and this process is slower in cold conditions.

5. Maintenance and Care

Regularly maintaining your fire pit and propane tank can ensure efficient operation, prolonging the tank’s life.

6. Tank Size

Larger tanks naturally last longer. However, they’re heavier and more difficult to move. A smaller tank may be easier to handle but require more frequent refills.

Understanding these factors will help you manage your propane usage more effectively, ensuring you can enjoy your fire pit whenever possible. Stay tuned as we further explore each of these aspects in subsequent sections.


In conclusion, the lifespan of a propane tank powering a fire pit largely depends on various factors, including the fire pit’s BTU rating, how frequently you use it, and the size of the tank.

Typically, a 20lb propane tank could last anywhere from 4-6 hours when continuously powering a medium-sized fire pit.

Maintaining a consistent check on the gas levels and ensuring the tank’s optimal condition for safety and efficiency is essential.

Remember, the longevity of your propane tank also depends on good maintenance practices and safe storage conditions. Keep grilling, keep glowing, but above all, keep safe.

This guide gives you the insight you need to effectively manage your liquid propane usage. Here are too many more memorable, warm, and safely fueled moments around your fire pit!


Does propane go bad over time?

Propane, a popular choice for grilling, does not degrade or go bad over time. Its shelf-life is virtually infinite, ensuring it retains its efficiency and effectiveness regardless of storage duration. However, propane tanks may deteriorate, leading to safety risks. Regular inspection and proper storage can maintain the tank’s integrity, ensuring optimal and safe propane usage.

How close can a propane tank be to a fire pit?

The National Fire Protection Association (NFPA) suggests maintaining a minimum distance of 10 feet between a fire pit and a propane tank to ensure safety. This distance is essential to prevent heat radiation from igniting the tank. Always follow local codes and manufacturer recommendations for additional safety measures related to propane storage.

Is it safe to use an empty propane tank as a fire pit?

Using an empty propane tank as a fire pit is not recommended due to safety concerns. Even when empty, propane tanks can contain residual gas, which can lead to an explosion if exposed to heat. For safety, consider professional recycling or disposal of old tanks and invest in dedicated fire p

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