In US measurements they are the same.
640 ounces.
Assuming you mean 12.6 fl oz, I guess you're American (using the oz abbreviation for fl oz), thus: 1 gal = 128 fl oz → 5 gal = 5 × 128 fl = 640 fl oz → 640 fl oz ÷ 12.6 fl oz ≈ 50.79
80 US cups per 640 fl oz
That is 640 fl oz.
In the US: 1pt = 16 fl oz 5 gallons = 5 x 8 x 16 = 640 fl oz both the same In the UK: 1pt = 20 fl oz 5 gallons = 5 x 8 x 20 = 800 fl oz 5 gallons is bigger than 640 fl oz.
40 US pints is 640 fl oz. 40 Imp pints is 800 fl oz.
80 US cups = 640 US fluid ounces
One gallon has 4 quarts. Each quart has two pints, so that is a total of 8 pints per gallon. Each pint has 2 cups, so that is a total of 16 cups per gallon. Each cup has 8 fl. oz. so that is a total of 128 fl oz per gallon. Therefore, 5 gallons = 128*5 = 640 US fl. oz. UK 20 fl. oz to the pint. 160 fl.oz. to a gallon. Therefore, 5 gallons = 160x5 = 800 fl.oz. Imperial
That is 5 fl oz.
That is 9.805 fl oz.
400 oz
224 fl oz