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US gallons to US fluid ounces Converter
Converting US gallons to US fluid ounces? Multiply by 128 — or just type a value below. Going the other way, 1 US fluid ounce is 0.0078125 US gallons.
US gallons to US fluid ounces Converter
How to convert US gallons to US fluid ounces
Multiply the number of US gallons by 128: fl oz = gal × 128. For example, 10 gal × 128 = 1,280 fl oz. To go the other way, multiply by 0.0078125.
US gallons to US fluid ounces conversion table
| US gallons | US fluid ounces |
|---|---|
| 0.1 gal | 12.8 fl oz |
| 0.5 gal | 64 fl oz |
| 1 gal | 128 fl oz |
| 2 gal | 256 fl oz |
| 3 gal | 384 fl oz |
| 5 gal | 640 fl oz |
| 10 gal | 1,280 fl oz |
| 15 gal | 1,920 fl oz |
| 20 gal | 2,560 fl oz |
| 25 gal | 3,200 fl oz |
| 50 gal | 6,400 fl oz |
| 75 gal | 9,600 fl oz |
| 100 gal | 12,800 fl oz |
| 250 gal | 32,000 fl oz |
| 500 gal | 64,000 fl oz |
| 1,000 gal | 128,000 fl oz |
Frequently asked questions
How many US fluid ounces are in a US gallon?
There are 128 US fluid ounces in one US gallon.
How do I convert US fluid ounces back to US gallons?
Use the reverse converter: 1 fl oz = 0.0078125 gal.