How many fluid ounces are in one gallon?

Answer by  esteban (1334)

There are 128 fluid ounces in one gallon. So, in order to convert gallons to fluid ounces, you must multiply the number of gallons by 128. For example, 0.5 gallons would be 0.5 X 128, or 64 fluid ounces.

Answer by  esteban (1334)

There are 128 fluid ounces in one gallon. Therefore to convert gallons to fluid ounces, you need to multiply by 128.