480 fl oz is how many gallons?

Imperial system:

20 fluid ounces = 1 pint : 8 pints = 1 gallon, therefore 160 fluid ounces = 1 gallon

384 fluid ounces = 384/160 = 2.4 Imperial Gallons.

U.S. system:

384 US fluid ounces = 24 US pints

1 US Gallon = 8 US pints

Therefore, 384 US fluid ounces = (24 / 8) = 3 US Gallons.