Instantly convert gallons to ounces. The calculator will also return decimal and fraction results (for example: 1 .5 ounce as well as 1/2 ounce). You can refer to the chart for common gallon to ounce conversions or **skip to the bottom to use the calculator**.

Additionally, the calculator will provide you with the closest standard cooking measurement. That way you won’t have to figure out how to measure odd fractions like 7/20 of a ounce (the calculator would standardize 7/20 to 3/8).

## How To Convert Ounces To Gallons

The formula to convert gallons to ounces is to divide gallons by 128.

## How Many Ounces In One Gallon

There are 128 ounces in one gallon.

## Ounces To Gallons Conversion Chart

8 | ounces | equals | .0625 | gallons |

16 | ounces | equals | .125 | gallons |

32 | ounces | equals | .25 | gallons |

64 | ounces | equals | .5 | gallons |

128 | ounces | equals | 1 | gallons |

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