How to tell what size propane tank you have

Tanks are measured based on their height/length and diameter (measuring from one side, to the other, across the center point of the tank). R. H. Foster Energy installs and sets the below tank sizes and types. Use this chart to help you identify the type you have.

29 Gallon Propane Tank

Max Capacity: 23 Gallons
Height: 48”
Diameter: 18”
Installation: Vertical
Location: Aboveground

57 Gallon Propane Tank

Max Capacity: 46 Gallons
Height: 43”
Diameter: 24”
Installation: Vertical
Location: Aboveground

120 Gallon Propane Tank

Max Capacity: 96 Gallons
Height: 4’6”
Diameter: 30”
Installation: Vertical & Horizontal
Location: Aboveground

320 Gallon Propane Tank

Max Capacity: 256 Gallons
Length: 9’
Diameter: 40”
Installation: Horizontal
Location: Aboveground

500 Gallon Propane Tank

Max Capacity: 400 Gallons
Length: 9’11”
Diameter: 37.5”
Installation: Horizontal
Location: Aboveground & underground

1000 Gallon Propane Tank

Max Capacity: 800 Gallons
Length: 16’2”
Diameter: 41”
Installation: Horizontal
Location: Aboveground & underground