Convert US fluid ounce to US gallon
1 fl oz = 0.0078125 gal
sig figs
1 fl oz = 0.00781 gal
1 fl oz in every volume unit
| cubic millimeter | 29,600 mm³ |
| microliter | 29,600 μL |
| milliliter | 29.6 mL |
| cubic centimeter | 29.6 cm³ |
| US teaspoon | 6 tsp |
| centiliter | 2.96 cL |
| US tablespoon | 2 tbsp |
| cubic inch | 1.8 in³ |
| imperial fluid ounce | 1.04 imp fl oz |
| US fluid ounce | 1 fl oz |
| deciliter | 0.296 dL |
| US cup | 0.125 cup |
| US pint | 0.0625 pt |
| imperial pint | 0.052 imp pt |
| US quart | 0.0313 qt |
| liter | 0.0296 L |
| cubic decimeter | 0.0296 dm³ |
| imperial quart | 0.026 imp qt |
| board foot | 0.0125 fbm |
| US gallon | 0.00781 gal |
| imperial gallon | 0.00651 imp gal |
| cubic foot | 0.00104 ft³ |
| US bushel | 0.000839 bu |
| hectoliter | 0.000296 hL |
| US beer barrel | 0.000252 bbl beer |
| oil barrel | 0.000186 bbl |
| cubic yard | 0.0000387 yd³ |
| cubic meter | 0.0000296 m³ |
| kiloliter | 0.0000296 kL |
| hundred cubic feet | 0.0000104 CCF |
| cord | 0.00000816 cord |
| acre-foot | 2.40e-08 ac·ft |
| million US gallons | 7.81e-09 MG |
| cubic kilometer | 2.96e-14 km³ |
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 |