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To convert US Gallon to US Fluid Ounce: multiply by 128. 1 gal (US) × 128.000 = 128 fl oz
| US Gallon (gal (US)) | US Fluid Ounce (fl oz) |
|---|---|
| 0.1 gal (US) | 12.8 fl oz |
| 0.25 gal (US) | 32 fl oz |
| 0.5 gal (US) | 64 fl oz |
| 1 gal (US) | 128 fl oz |
| 2 gal (US) | 256 fl oz |
| 5 gal (US) | 640 fl oz |
| 10 gal (US) | 1,280 fl oz |
| 20 gal (US) | 2,560 fl oz |
| 25 gal (US) | 3,200 fl oz |
| 50 gal (US) | 6,400 fl oz |
| 100 gal (US) | 12,800 fl oz |
| 250 gal (US) | 32,000 fl oz |
| 500 gal (US) | 64,000 fl oz |
| 1,000 gal (US) | 128,000 fl oz |
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To convert US Gallon to US Fluid Ounce, use our free online converter above. Simply enter the value in US Gallon and instantly get the result in US Fluid Ounce.
1 US Gallon equals 128 US Fluid Ounce. You can use the converter above to calculate any value.
Use our converter for the exact formula. The result is displayed with the full conversion formula for reference.
Yes! Our converter is completely free to use. No sign-up, no download required. Just enter your value and get an instant result.
The US Gallon (gal (US)) and US Fluid Ounce (fl oz) are both units of volume. Our converter uses the precise conversion factor to give you accurate results instantly.
1 US Gallon = 128 US Fluid Ounce
This volume converter supports bidirectional conversion — use the swap button to convert US Fluid Ounce back to US Gallon. You can also adjust the decimal precision using the controls below the result.