To convert 55 gallons to cubic feet, you can use the conversion factor:
1 gallon = 0.133681 cubic feet.
So, to find the volume of a 55-gallon drum in cubic feet:
55 gallons×0.133681 cubic feet per gallon=7.348 cubic feet.
Therefore, the volume of a 55-gallon drum is approximately 7.35 cubic feet.