You might also like... How Many Ounces In A Half Gallon? Measurements and Units. 8 ounces = 1 cup 16 ounces = 1 pint 32 ounces = 1 quart 64 ounces = 1/2 gallon... - read more
http://wiki.answers.com/Q/Does_128_ounces_equal_one_gallon" - read more
Please vote if the answer you were given helped you or not, thats the best way to improve our algorithm. You can also submit an answer or search documents about one gallon of water equals how many ounces.