Convert fluid ounces to gallons quickly and accurately using this free online converter
Used in cooking, beverages, and liquid measurements.
💡 The US uses cups, fluid ounces, and gallons; metric countries use liters and milliliters.
gal = fl oz × 0.0078125
Example: 1 fl oz × 0.0078125 = 0.0078125 gal
Use liters for international recipes; cups/gallons for US recipes.
Common uses: cooking, beverages, and liquid containers.
How do I convert fl oz to gal?
Multiply the value in Fluid Ounces by 0.0078125. For example: 10 fl oz = 0.078125 gal.
When should I use Gallons instead of Fluid Ounces?
Use liters for international recipes; cups/gallons for US recipes.
Is this converter accurate?
Yes. We use internationally recognized conversion factors, updated to current standards.
| Fluid Ounces (fl oz) | Gallons (gal) |
|---|---|
| 1 fl oz | 0.0078125 gal |
| 2 fl oz | 0.015625 gal |
| 5 fl oz | 0.039062 gal |
| 10 fl oz | 0.078125 gal |
| 20 fl oz | 0.15625 gal |
| 50 fl oz | 0.390625 gal |
| 100 fl oz | 0.78125 gal |
| 500 fl oz | 3.9062 gal |
| 1000 fl oz | 7.8125 gal |