1 US fluid ounce (fl oz (US)) = 0.0078125 US gallons (gal (US)). To convert, divide by 128: gal (US) = fl oz (US) ÷ 128. For example, 50 fl oz (US) = 0.390625 gal (US).
gal (US) = fl oz (US) ÷ 128
US fluid ounces to US gallons table
| US fluid ounces (fl oz (US)) | US gallons (gal (US)) |
|---|---|
| 10 | 0.078125 |
| 20 | 0.15625 |
| 30 | 0.234375 |
| 40 | 0.3125 |
| 50 | 0.390625 |
| 100 | 0.78125 |
| 200 | 1.5625 |
| 250 | 1.953125 |
| 500 | 3.90625 |
| 1,000 | 7.8125 |
| 2,500 | 19.53125 |
| 5,000 | 39.0625 |
| 10,000 | 78.125 |
The two units
US fluid ounce (fl oz (US)). One 128th of a US gallon.
US gallon (gal (US)). Exactly 231 cubic inches, about 3.785 liters.
Because both units are defined in terms of the same base unit, the factor 0.0078125 is exact, not a rounded measurement.
Convert US fluid ounces to other units
- US fluid ounces to liters — 1 fl oz (US) = 0.0295735296 L
- US fluid ounces to milliliters — 1 fl oz (US) = 29.57352956 mL
- US fluid ounces to cubic meters — 1 fl oz (US) = 0.0000295735 m³
- US fluid ounces to US quarts — 1 fl oz (US) = 0.03125 qt (US)
- US fluid ounces to US pints — 1 fl oz (US) = 0.0625 pt (US)
- US fluid ounces to US cups — 1 fl oz (US) = 0.125 cup
- US fluid ounces to US tablespoons — 1 fl oz (US) = 2 tbsp
- US fluid ounces to US teaspoons — 1 fl oz (US) = 6 tsp
- US fluid ounces to imperial gallons — 1 fl oz (US) = 0.0065052671 gal (UK)
- US fluid ounces to imperial pints — 1 fl oz (US) = 0.0520421365 pt (UK)
- US fluid ounces to cubic feet — 1 fl oz (US) = 0.0010443793 ft³
- US fluid ounces to cubic inches — 1 fl oz (US) = 1.8046875 in³
Convert other units to US gallons
- US gallons to US fluid ounces
- Liters to US gallons
- Milliliters to US gallons
- Cubic meters to US gallons
- US quarts to US gallons
- US pints to US gallons
- US cups to US gallons
- US tablespoons to US gallons
- US teaspoons to US gallons
- Imperial gallons to US gallons
- Imperial pints to US gallons
- Cubic feet to US gallons
- Cubic inches to US gallons
Questions people ask
- How many US gallons are in a US fluid ounce?
- 0.0078125, exactly.
- How do you convert US fluid ounces to US gallons?
- gal (US) = fl oz (US) ÷ 128. It is the same as dividing by 128.
- How do you convert US gallons back to US fluid ounces?
- fl oz (US) = gal (US) × 128. See US gallons to US fluid ounces.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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