
How Many Ounces In A Gallon?
Quick answer 1 gallon equals 128 fluid ounces. Using USDA/FDA volume equivalents: 1 gallon = 16 cups, 1 cup = 8 fluid ounces, so 16 × 8 = 128 fluid ounces. How Many Ounces In A Gallon: 128 fluid ounces. In US kitchen measuring, 1 gallon equals 16 cups, and 1 cup equals 8 fluid

