Convert drum to barrel (petroleum)
Selected category: volume.
Definition and details for drum:
Drum is traditional a unit of liquid volume used in the oil trade equal to 55 U.S. gallons or about 1.31 petroleum barrels or about 208.2 liters.
Definition and details for barrel (petroleum):
Petroleum barrel (bbl or bo from "barrel of oil") is defined to be 42 U.S. gallons or about 158.987 liters. This unit is equal to the traditional tierce, an old English wine barrel.