How many 8oz water bottles equal a gallon? Leave a Comment / GeneralFinest Reply20 eight ounce water bottles in an Imperial gallon.Extra Solutions8Read More: What tims is 9pm PST in Central time? How many linear ft in 1 acre? Related posts:What channel is tsn on direct tv? In ouran host club who does haruhi end up with? Is the square root of 10 rational or irrational? What do the colors on the ghost radar mean? How many yards will a concrete truck hold? READ: What is the meaning of repore?