# Convert Gallons to Fluid Ounces

## Learn How to Convert Gallons to Fluid Ounces Using our Conversion Formula

Converting a gallon fluid-volume measurement to a fluid ounce measurement involves multiplying your fluid-volume by the conversion ratio to find the result. A gallon is equal to 128 fluid ounces, so to convert simply multiply by 128.

For example, 5gal = (5 × 128) = 640fl oz.

Gallons and fluid ounces are both units used to measure fluid volume. Learn more about fluid volume and
find more fluid volume measurement conversion calculators.
A gallon is an imperial measurement and can be abbreviated as *gal*, for example 1gal.
A fluid ounce is an imperial measurement and can be abbreviated as *fl oz*, for example 1fl oz.

## More Fluid-volume Conversions

- Convert to Quarts Fluid Volume
- 1gal is equal to 4 quarts
- Convert to Pints Fluid Volume
- 1gal is equal to 8 pints
- Convert to Cups Fluid Volume
- 1gal is equal to 16 cups
- Convert to Tablespoons Fluid Volume
- 1gal is equal to 256 tablespoons
- Convert to Teaspoons Fluid Volume
- 1gal is equal to 768 teaspoons
- Convert to Liters Fluid Volume
- 1gal is equal to 3.785412 liters
- Convert to Milliliters Fluid Volume
- 1gal is equal to 3,785 milliliters
- Convert to Cubic Inches Fluid Volume
- 1gal is equal to 230.999493 cubic inches
- Convert to Cubic Feet Fluid Volume
- 1gal is equal to 0.133681 cubic feet
- Convert to Cubic Yards Fluid Volume
- 1gal is equal to 0.004951 cubic yards
- Convert to Cubic Centimeters Fluid Volume
- 1gal is equal to 3,785 cubic centimeters
- Convert to Cubic Meters Fluid Volume
- 1gal is equal to 0.003785 cubic meters

## Gallon Measurements and Equivalent Fluid Ounce Conversions

Gallons | Fluid Ounces | Gallons | Fluid Ounces | Gallons | Fluid Ounces |
---|---|---|---|---|---|

1 | 128 | 21 | 2,688 | 41 | 5,248 |

2 | 256 | 22 | 2,816 | 42 | 5,376 |

3 | 384 | 23 | 2,944 | 43 | 5,504 |

4 | 512 | 24 | 3,072 | 44 | 5,632 |

5 | 640 | 25 | 3,200 | 45 | 5,760 |

6 | 768 | 26 | 3,328 | 46 | 5,888 |

7 | 896 | 27 | 3,456 | 47 | 6,016 |

8 | 1,024 | 28 | 3,584 | 48 | 6,144 |

9 | 1,152 | 29 | 3,712 | 49 | 6,272 |

10 | 1,280 | 30 | 3,840 | 50 | 6,400 |

11 | 1,408 | 31 | 3,968 | 51 | 6,528 |

12 | 1,536 | 32 | 4,096 | 52 | 6,656 |

13 | 1,664 | 33 | 4,224 | 53 | 6,784 |

14 | 1,792 | 34 | 4,352 | 54 | 6,912 |

15 | 1,920 | 35 | 4,480 | 55 | 7,040 |

16 | 2,048 | 36 | 4,608 | 56 | 7,168 |

17 | 2,176 | 37 | 4,736 | 57 | 7,296 |

18 | 2,304 | 38 | 4,864 | 58 | 7,424 |

19 | 2,432 | 39 | 4,992 | 59 | 7,552 |

20 | 2,560 | 40 | 5,120 | 60 | 7,680 |