Gallons to Fluid Ounces Converter
Convert gal to fl oz instantly. 1 gal = 128 fl oz.
Conversion Formula
fl oz = gal × 128
Example
25 gal × 128 = 3,200 fl oz
Convert the other way: Fluid Ounces to Gallons →
Gallons to Fluid Ounces Conversion Table
| Gallons (gal) | Fluid Ounces (fl oz) |
|---|---|
| 0.1 | 12.8 |
| 0.5 | 64 |
| 1 | 128 |
| 2 | 256 |
| 5 | 640 |
| 10 | 1,280 |
| 20 | 2,560 |
| 25 | 3,200 |
| 50 | 6,400 |
| 100 | 12,800 |
| 500 | 64,000 |
| 1,000 | 128,000 |
About These Units
- Gallons (gal)
- The US liquid gallon, exactly 231 cubic inches or 3.785411784 L. It is used for gasoline, milk, and household water use in the United States, and it is smaller than the 4.54609 L UK imperial gallon.
- Fluid Ounces (fl oz)
- The US fluid ounce, exactly 1/128 US gallon or 29.5735295625 mL. It is used on American drink and cosmetic labels, and it is slightly larger than the UK imperial fluid ounce of 28.4130625 mL.
Frequently Asked Questions
How many fl oz are in 1 gal?
1 gal equals 128 fl oz.
How do I convert Gallons to Fluid Ounces?
Multiply your Gallons value by 128. For example, 25 gal × 128 = 3,200 fl oz.
How many gal are in 1 fl oz?
1 fl oz equals 0.0078125 gal.