Nine cups doesn't even make one gallon. There are 4 quarts in a gallon and 4 cups in a quart, so there are 16 cups in a gallon. 9 cups = 0.5625 gallons

16 cups in a gallon 16 Two cups in a pint. Two pints in a quart. Four quarts in a gallon. Sixteen cups in a gallon 16 cups to a gallon If you're talking about US cups then it is: 16 cups = 1 gallon

Two cups in a pint. Two pints in a quart. Four quarts in a gallon. Sixteen cups in a gallon 16 cups to a gallon If you're talking about US cups then it is: 16 cups = 1 gallon