US Gallons to US Fluid Ounces Converter
How to convert US gallons to US fluid ounces
US fluid ounces = US gallons × 128
To convert US gallons to US fluid ounces, multiply the number of US gallons by 128.
1 US gal = 128 US fl oz
Examples
- A standard US milk jug: 1 US gal × 128 = 128 US fl oz
- 5 US gal × 128 = 640 US fl oz
Good to know
This is the US liquid gallon of 3.785411784 L. The imperial gallon used in the UK is 4.54609 L, about 20% larger.
This is the US fluid ounce of 29.5735295625 mL, about 4% larger than the imperial fluid ounce of 28.4130625 mL. It measures volume, not weight.
US gallons to US fluid ounces conversion table
| US gallons (US gal) | US fluid ounces (US fl oz) |
|---|---|
| 0.25 US gal | 32 US fl oz |
| 0.5 US gal | 64 US fl oz |
| 0.75 US gal | 96 US fl oz |
| 1 US gal | 128 US fl oz |
| 1.5 US gal | 192 US fl oz |
| 2 US gal | 256 US fl oz |
| 2.5 US gal | 320 US fl oz |
| 3 US gal | 384 US fl oz |
| 4 US gal | 512 US fl oz |
| 5 US gal | 640 US fl oz |
| 6 US gal | 768 US fl oz |
| 8 US gal | 1,024 US fl oz |
| 10 US gal | 1,280 US fl oz |
| 15 US gal | 1,920 US fl oz |
| 20 US gal | 2,560 US fl oz |
| 50 US gal | 6,400 US fl oz |
| 100 US gal | 12,800 US fl oz |
Unit definitions
- US gallon (US gal)
- The US liquid gallon is defined as exactly 231 cubic inches, which is 3.785411784 liters. It is used in the United States for fuel, milk and other liquids.
- US fluid ounce (US fl oz)
- The US fluid ounce is 1/128 of a US gallon, exactly 29.5735295625 milliliters. It is used for beverages and liquid ingredients in the United States.
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