1 fl oz = 0.0078125 gal
1 US fluid ounce equals 0.0078125 US gallons. To convert US fluid ounces to US gallons, multiply the US fluid ounce value by 0.0078125. For quick reference: 1 fl oz = 0.0078125 gal, 5 fl oz = 0.0390625 gal, 10 fl oz = 0.078125 gal, 100 fl oz = 0.78125 gal.
US gallons = US fluid ounces × 0.0078125Start with your value in US fluid ounces.
Multiply the US fluid ounce value by 0.0078125. This is the exact conversion factor from US fluid ounces to US gallons.
The product is your value in US gallons. For example, 5 fl oz × 0.0078125 = 0.0390625 gal.
The exact factor from US fluid ounces to US gallons is 0.0078125.
US gallons = US fluid ounces × 0.0078125
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
| US fluid ounces (fl oz) | US gallons (gal) |
|---|---|
| 0.1 fl oz | 0.00078125 gal |
| 0.25 fl oz | 0.0019531 gal |
| 0.5 fl oz | 0.0039063 gal |
| 1 fl oz | 0.0078125 gal |
| 1.5 fl oz | 0.011719 gal |
| 2 fl oz | 0.015625 gal |
| 2.5 fl oz | 0.019531 gal |
| 3 fl oz | 0.023437 gal |
| 4 fl oz | 0.03125 gal |
| 5 fl oz | 0.039063 gal |
| 6 fl oz | 0.046875 gal |
| 7 fl oz | 0.054688 gal |
| 8 fl oz | 0.0625 gal |
| 9 fl oz | 0.070313 gal |
| 10 fl oz | 0.078125 gal |
| 12 fl oz | 0.09375 gal |
| 15 fl oz | 0.11719 gal |
| 20 fl oz | 0.15625 gal |
| 25 fl oz | 0.19531 gal |
| 30 fl oz | 0.23438 gal |
| 40 fl oz | 0.3125 gal |
| 50 fl oz | 0.39063 gal |
| 60 fl oz | 0.46875 gal |
| 75 fl oz | 0.58594 gal |
| 100 fl oz | 0.78125 gal |
| 125 fl oz | 0.97656 gal |
| 150 fl oz | 1.1719 gal |
| 200 fl oz | 1.5625 gal |
| 250 fl oz | 1.9531 gal |
| 300 fl oz | 2.3438 gal |
| 400 fl oz | 3.125 gal |
| 500 fl oz | 3.9063 gal |
| 600 fl oz | 4.6875 gal |
| 750 fl oz | 5.8594 gal |
| 1000 fl oz | 7.8125 gal |
| 1500 fl oz | 11.719 gal |
| 2000 fl oz | 15.625 gal |
| 2500 fl oz | 19.531 gal |
| 3000 fl oz | 23.438 gal |
| 4000 fl oz | 31.25 gal |
| 5000 fl oz | 39.063 gal |
| 7500 fl oz | 58.594 gal |
| 10000 fl oz | 78.125 gal |
| 15000 fl oz | 117.19 gal |
| 20000 fl oz | 156.25 gal |
| 25000 fl oz | 195.31 gal |
| 30000 fl oz | 234.37 gal |
| 40000 fl oz | 312.5 gal |
| 50000 fl oz | 390.63 gal |
| 100000 fl oz | 781.25 gal |
A typical US shot is 1.5 fl oz. A standard US soda can is 12 fl oz.
The US fluid ounce (fl oz) is a customary unit of volume equal to 1/128 of a US gallon, or about 29.5735 mL. It is the standard unit for liquid serving sizes on US nutrition labels. The US fluid ounce is slightly larger than the UK fluid ounce (28.4131 mL) — confusingly, the opposite direction from the gallons.
The US liquid gallon equals exactly 3.785411784 liters, defined as 231 cubic inches. It is the standard fuel and milk unit in the United States. The US gallon is about 16.7% smaller than the UK (imperial) gallon (4.54609 L), so quoting fuel economy as 'mpg' without specifying the gallon can mislead by a wide margin.