Oil Tank Conversion Chart. This number might be, say, 4 feet and 11 inches. A printed table which enables a tank owner to convert depth of liquid in a storage tank to the number of gallons remaining in the tank.

This number might be, say, 4 feet and 11 inches. When an tank owner withdraws a gauge stick from a storage tank, he records the number of inches reached by the liquid level in the tank. A printed table which enables a tank owner to convert depth of liquid in a storage tank to the number of gallons remaining in the tank.