That is 640 ounces.
If it's water, 5/8 gal.
That is 3,328 ounces
That is 384 ounces
0.127 gal.
There are 640 cups in a gallon
i think 32
Two US gallons is 256 fluid ounces.
1 US gal is 128 fluid ounces, so 2 gal is 256 fl oz.
152 ounces
256 fluid ounces
65,536 ounces in 512 US gallons