5 gallons is 640 fluid ounces.
569
1 US gallon.
256 floz in 2 US gallons
1.13 US gallons in 144 fl oz
256 floz in 2 US gallons
256 floz in 2 US gallons
1 qt = 32 floz
128 ounces
12
5 gallons = 20 quarts
5 US gallons is 18,927.1mL
40 fl oz is 5 cups.40 fl oz is 5 cups.