1 bbl(US Liq) = 31.5 gal(US Liq)
100000000000000000
55 gallons
There are 8 fl. oz. in a cup, 4 cups in a quart, 4 quarts in a gallon, and 42 gallons in a 42 gallon barrel. =8*4*4*42=5376 fl. oz.
A gallon