# Readers ask: How Many Gallons Does A Round Fuel Oil Tank Hold?

## How big is a 275 gallon oil tank?

Standard residential oil tanks installed above ground, like your basement or backyard, have a 275-gallon capacity. They typically have a horizontal or vertical orientation with a dimension of 44 inches high by 60 inches wide and 27 inches deep.

## How many gallons is my fuel oil tank?

The most common size of heating oil tank is 275 gallons, but beware: the size of the tank doesn’t indicate how much fuel it actually holds. When full, a 275-gallon tank holds approximately 225 gallons; the rest of the space is left to allow for air or debris at the bottom of your tank.

## How big is a 330 gallon oil tank?

Dimensions of Heating Oil Tanks A common model of 330-gallon tank also measures 44 by 27 inches and is 72 inches wide.

## How much does it cost to fill a 275 gallon oil tank?

According to EIA historical data[3], from October 2012 to March 2013 the average price per gallon for residential heating oil varied from \$3.969-\$4.175, or about \$910-\$1,000 to refill a 275-gallon tank and \$1,850-\$2,100 for a 550-gallon tank; and 10 years ago, from October 2003 to March 2004, the average was \$1.344-\$

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## How long does a 275 gallon oil last?

A 275-gallon supply of heating oil will last for approximately 56 days at the rate of 4.9 gallons per day.

## What is the average size of a residential oil tank?

A typical home heating oil tank size is 275 gallons and comes in either a vertical (275V) or horizontal (275H) orientation. Heating oil tanks may also come in different sizes depending on whether they’ll be installed above or below ground.

## How low can you let your oil tank go?

While it may take several days to drop from 20 to 19 inches, you could burn up the fuel from 5 to 4 inches quite rapidly in a day. You might find yourself without heat until you can get a delivery. You should not let the level drop below 8 inches so you won’t get caught short.

## How much does a 330 gallon oil tank cost?

The cost ranges from \$800 to \$3,800 to install a 220 to 330 gallon oil tank. Oil tanks are built to last 10 to 15 years – eventually they will need to be replaced by a heating oil company.