Four gallons is 512 fluid ounces.
Four gallons.
4 US gallons = 512 US fluid ounces
512 fluid ounces is four gallons. (128 fl oz per gallon)
20 gallons = 2,560 ounces.
13.2 gallons is 1,689.6 ounces.
8320 ounces is 65 gallons.
169 ounces is 1.32 US gallons.
15,360 fluid ounces is 120 gallons.
15 US gallons = 1,920 ounces.
400 US gallons = 51,200 ounces.
Eleven US gallons is 1,408 ounces.
24 US gallons is 3,072 ounces.