How Long Does a Small Propane Tank Last?

How Long Does a Small Propane Tank Last

The versatility of propane makes it available in almost every household today. Whether you want to grill something inside or plan to prepare your meal outside on the deck, propane tanks always come in handy.

One of the best things about propane tanks is that it comes in different sizes, allowing you to choose the tank according to your needs. According to our research, the following sizes are available:

  • 20-Pound Propane Tank: These are the smallest of all. 20-pound propane tanks are typically used for gas grills but can be used for other appliances too. Generators and patio heaters are some of them.
  • 120-Gallon Propane Tank: It is 4’ 6” in height and 30” in width. It is used for both household and commercial purposes. Water heater and some other small household equipment work on it. Commercially, it is used for heating, cooking, and even for dry cleaning purposes.
  • 250-Gallon Propane Tank: It is mainly used for water heaters and generators.
  • 500-Gallon Propane Tank: About 3 home appliances can work on it simultaneously.
  • 1000-Gallon Propane Tank: It is the largest of all the other propane tanks. It is used for both households as well as commercial appliances. Many appliances can work on it at the same time.

Do you want to host an outdoor barbeque but are concerned about running out of fuel supply? Well, we think we can help you with that. Here in this article, we will talk about how long small propane tanks last.

The standard small size of propane tanks used for household purposes is about 20-pounds. As we said, it is generally used for gas grills. You’ll learn briefly about the amount of propane required to cook on a gas grill by the end of the article.

How Long Does a Small Propane Tank Last?

Small Propane Tank Last

For household purposes, a 20-pound tank is considered a standard small size. A standard 20-pound propane tank is 1′ 6″ in height and 1′ in width. Its capacity is around 4.5 gallons.

Here’s quick math we did to calculate the cooking time offered by a 20-pound propane tank.

If the grill is regular-sized, every meal you cook requires around 2 pounds of fuel at a high flame. According to this, a regular or medium-sized grill can serve for up to 20 hours at a time, whereas a large-sized grill can work for 8 to 10 hours.

Some other portable propane tanks are available in smaller sizes, such as 11-pounds, 5-pounds, and 1-pound.

About 1 Pound Propane Tanks.

A propane tank as small as 1 pound? Seems impossible, right? But yes, propane tanks are now available in such a smaller size. Unlike standard tanks, they cannot be refilled.

Once the fuel is utilized, the tank must be disposed of away. And yes, they can be used for gas grills too. Worried about running out of fuel from such a small tank? Well, the following calculation will help you get yourself the proper supply.

According to experiments, a 1 pound propane tank can last up to 3 hours and 45 minutes on a medium flame with a grill having a power of 12,000 BTU.

While some other experiments say that the tank lasts from 1 to 2 hours.

Wondering why so? The reason is that the length of time the tank will endure is determined by the gas grill’s power. Also, whether you’re using a low flame or high flame makes a difference. Using a high flame consumes more fuel, making the tank last less long.

If we talk according to meals, a 1 pound propane tank can cook up to 3 small meals.

How To Connect the Propane Tank to The Gas Grill?

As we said, small tanks are specially used for gas grills. If you are not familiar with the process of connecting the gas grill to the propane supply, we are here to help. Following are the steps:

  1. Propane grill regulator replacement
  2. Remove the protective seal.
  3. Attach the hose to the propane supply.
  4. Connect the hose to the gas grill.
  5. Test the attachments.

If you want a quick overview, check out our article related to the same.

We hope you have a better idea of the fuel supply you need for your next barbeque. Now go ahead, enjoy the meal rather than worrying about the gas supply.

Kalista Howell
Kalista Howell is an accomplished writer with over 12 years of experience in journalism. She holds a BA in English Literature from the University of California, Berkeley. Her career began in 2009 as a reporter for a local newspaper, where her flair for realistic storytelling quickly garnered attention. With an extensive background in educational content creation, her expertise lies in translating complex concepts into accessible, reader-friendly formats. Beyond her professional life, she is a passionate advocate for lifelong learning, often conducting community workshops on digital literacy. In her leisure time, she enjoys gardening.

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