Fluid Ounces to Gallons Converter
1 US fl oz = 0.0078125 US gal
US: 128 US fluid ounces = 1 US gallon. Imperial: 160 imperial fluid ounces = 1 imperial gallon. The calculator switches both input and output systems.
Conversion table
| US fl oz | US gal | imp gal |
|---|---|---|
| 1 | 0.0078125 | 0.00625 |
| 4 | 0.03125 | 0.025 |
| 8 | 0.0625 | 0.05 |
| 16 | 0.125 | 0.1 |
| 32 | 0.25 | 0.2 |
| 64 | 0.5 | 0.4 |
| 128 | 1 | 0.8 |
| 160 | 1.25 | 1 |
| 256 | 2 | 1.6 |
Formula
US gal = US fl oz × 0.0078125.
Results are shown to up to 12 significant figures. The calculator uses the conversion factor before display rounding.
Unit definitions: NIST conversion factors.