# How long will 100 lb propane tank last?

**100 pound propane cylinder**holds approximately 23.6 gallons when completely full, and an 80,000 BTU appliance that ran 24 hours a day the

**propane would last**about 1.12 days. If the appliance ran for 12 hours a day, the

**propane**in the

**tank would last**about 2.24 days.

In respect to this, how long does a 100 gallon propane tank last?

On the other hand, if you had a **100 gallon propane tank** which holds about 80 **gallons** (80 percent of it's capacity when full) and a 20,000 BTU fireplace that ran 12 hours a day, the **propane would last** about 30.5 days.

Beside above, how do I figure out how long a propane tank will last? (92,000 BTUs for one gallon of **propane**/60,000 the burn rate of the appliance = 1.53 hours) Divide the total gallons of your **tank** by the hourly burn rate of your appliance to see how **many hours** of fuel you have left. By repeating this process, you **can** see how varied appliances, with different BTU rates, **will** burn fuel.

Similarly, how many gallons are in a 100 lb propane tank?

**Propane** weighs 4.24 **lbs** per **gallon**. So a **100 lb propane tank** holds 23.6 **gallons**.

How much does it cost to fill a 100 lb propane tank?

Depending on where you live, the price of **propane** varies throughout the year, but is usually around $2.00 to $2.75 per gallon. If a company is coming to **do** the refill, they may **charge** as **much** as $3.25 to $4.00 per gallon.