There are 128 16-ounce servings in 16 US gallons.
8 oz = 1 cup 16 cups = 1 gallon 240 cups = 15 gallons You can get 120 16 oz cups out of a 15 gallon keg.
A frikken lot
256 cups 1 gallon = 16 cups 1 cup =0.23 gallon
256 cups 1 gallon = 16 cups 1 cup = 0.06 Gallon
16 because there are 128 ounces in a gallon
16 cups in a gallon
One USG of water is 16 cups
Buy a calculator. Actually your computer should have one under accessories. But any way, to answer your question: There are 128 ounces in a gallon. So 16 times 128 equals 2,048 ounces. 2,048 ounces divided by 12 equals 170.6666666666 or a little over 170 and a half glasses.
That is 8 of them.
128 oz in a gallon, now tell me how big your freakin "glass" is. If you meant cup the answer is 16.
A gallon of water is equal to 128 ounces, so there would be 16 eight ounces containers in a gallon.