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Volume
Fluid ounces to Gallons
Convert fluid ounces (fl oz) to gallons (gal). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 fl oz = 0.007812 gal
Fluid ounces to Gallons Conversion Table
Common values, ready to copy:
| fluid ounces | gallons |
|---|---|
| 1 fl oz | 0.007812 gal |
| 2 fl oz | 0.015625 gal |
| 5 fl oz | 0.039062 gal |
| 10 fl oz | 0.078125 gal |
| 25 fl oz | 0.195312 gal |
| 50 fl oz | 0.390625 gal |
| 100 fl oz | 0.78125 gal |
| 1,000 fl oz | 7.8125 gal |
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Formula
gallons = fluid ounces × 7.81249587e-3
Volume conversions use US customary measure (the cup, fluid ounce, and gallon are US definitions, not imperial). 1 US cup = 236.588 mL, 1 US gallon = 3.785411784 L.
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