Convert US fluid ounce to US gallon
1 fl oz = 0.0078125 gal
1 fl oz = 0.00781 gal
1 fl oz in every volume unit
| milliliter | 29.6 mL |
| centiliter | 2.96 cL |
| liter | 0.0296 L |
| cubic meter | 0.0000296 m³ |
| cubic inch | 1.8 in³ |
| cubic foot | 0.00104 ft³ |
| US fluid ounce | 1 fl oz |
| US pint | 0.0625 pt |
| US quart | 0.0313 qt |
| US gallon | 0.00781 gal |
| imperial gallon | 0.00651 imp gal |
| cubic yard | 0.0000387 yd³ |
| acre-foot | 2.40e-08 ac·ft |
How the conversion works
Multiply by 0.0078125 to go from US fluid ounce to US gallon, or divide by it to go back. Every conversion on this site routes through the SI value (m³) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? US gallon to US fluid ounce — 1 gal = 128 fl oz.
US fluid ounce to US gallon — common values
| 1 fl oz | 0.0078125 gal |
| 2 fl oz | 0.015625 gal |
| 3 fl oz | 0.0234375 gal |
| 5 fl oz | 0.0390625 gal |
| 10 fl oz | 0.078125 gal |
| 15 fl oz | 0.1171875 gal |
| 20 fl oz | 0.15625 gal |
| 25 fl oz | 0.1953125 gal |
| 50 fl oz | 0.390625 gal |
| 75 fl oz | 0.5859375 gal |
| 100 fl oz | 0.78125 gal |
| 250 fl oz | 1.953125 gal |
| 500 fl oz | 3.90625 gal |
| 1000 fl oz | 7.8125 gal |
Solvers that use volume