Q:

How many gallons are in a 20-pound propane tank?

A:

Quick Answer

There are 5 gallons in a 20 pound propane tank. This is why 20 pound tanks are sometimes also referred to as 5 gallon tanks.

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Full Answer

A 20 pound tank of propane is typically used for gas grills. There are about 21,591 btus (British Thermal Units) of fuel in every pound of gas. So a 20 pound tank has about 431,820 btus of fuel. Once the maximum btu output of the grill burner is determined, the total amount of fuel in the tank can be divided by the burner output to determine the number of hours a 20 pound tank of propane will last.

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Related Questions

  • Q:

    How do you dispose of a propane tank?

    A:

    The best way to dispose of unused propane tank is by calling a propane company to pick it up. Propane tanks are not picked up by garbage collectors, and improper disposal is illegal in some areas. If a propane tank is unfit for service, one should contact a propane company.

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  • Q:

    How much propane is in a 20-pound tank?

    A:

    The standard 20-pound propane tank holds about 4.7 gallons of propane. The average 20-pound tank weighs about 40 pounds and contains 430,000 BTU when full. People generally use this size propane tank for residential grilling, camping and cooking, and some residential gas grills come standard with 20-pound tanks.

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  • Q:

    How many gallons are in a 100-pound propane tank?

    A:

    A 100-pound propane tank holds 23.6 gallons of propane. A propane tank is considered full at 80 percent capacity and should be refilled as soon as possible if it drops to 30 percent capacity. Keeping the tank at an appropriate capacity is a safety measure.

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  • Q:

    What size propane tank should you buy?

    A:

    The optimal size of a propane tank depends upon its intended use. Tanks for home heating and cooking are generally 250 to 1000 gallons, whereas tanks for grills normally hold approximately 5 to 10 gallons of propane.

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