How many half gallon in 1 drum [US, petroleum]?
The answer is 110.00000058118.
We assume you are converting between half US gallon and drum [US, petroleum].
You can view more details on each measurement unit: half gallon or
drum [US, petroleum]
The SI derived unit for volume is the cubic meter.
1 cubic meter is equal to 528.34410527459 half gallon, or 4.803128204392 drum [US, petroleum].
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between half US gallons and drums.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of half gallon to drum [US, petroleum]

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