Gallons to Fluid Ounces Converter
Convert gallons to fluid ounces instantly. 1 gal (US) = 128 fl oz (US). Includes the formula, examples and a table of common values.
Formula
fl oz (US) = gal (US) × 128
1 gal (US) → 128 fl oz (US)
Conversion table
| gal (US) | fl oz (US) |
|---|---|
| 1 gal (US) | 128 fl oz (US) |
| 2 gal (US) | 256 fl oz (US) |
| 3 gal (US) | 384 fl oz (US) |
| 4 gal (US) | 512 fl oz (US) |
| 5 gal (US) | 640 fl oz (US) |
| 6 gal (US) | 768 fl oz (US) |
| 7 gal (US) | 896 fl oz (US) |
| 8 gal (US) | 1,024 fl oz (US) |
| 9 gal (US) | 1,152 fl oz (US) |
| 10 gal (US) | 1,280 fl oz (US) |
| 12 gal (US) | 1,536 fl oz (US) |
| 15 gal (US) | 1,920 fl oz (US) |
Popular conversions
Reverse conversion
Other conversions
- Gallons → Liters
- Milliliters → Fluid Ounces
- Liters → Fluid Ounces
- Teaspoons → Fluid Ounces
- Tablespoons → Fluid Ounces
- Cups → Fluid Ounces
- Pints → Fluid Ounces
- Quarts → Fluid Ounces
Frequently asked questions
How do I convert Gallons to Fluid Ounces?
Use this formula: fl oz (US) = gal (US) × 128. For example, 1 gal (US) → 128 fl oz (US).
How many fluid ounces are in 1 gallon?
1 gal (US) = 128 fl oz (US).
How many gallons are in 1 fluid ounce?
1 fl oz (US) = 0.0078125 gal (US).
Is this conversion exact?
Results are rounded to six significant digits; the conversion factor itself is exact or very precise for these units.