Convert from drum [US, petroleum] to milliliter

Unit Definition (drum [US, petroleum])
The drum [US, petroleum] is a unit of volume sometimes used in the oil trade. The traditional standard drum of oil contains 55 U.S. gallons or about 208.198 liters. One 55-gallon drum equals 1.3095 barrels.

Unit Definition (milliliter)
The milliliter is a very common metric unit of volume. One milliliter equals 0.001 liter, exactly one cubic centimeter (cm³ or cc), or approximately 0.061 023 7 cubic inch or 16.231 U.S. minims. The milliliter is used almost entirely for measuring the volumes of liquids, with solids being measured in cubic centimeters.