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Convert gallons (US) to fluid ounces (US). Completely free.
1 gallon is 128 fluid ounces (US). Type any value below for the exact answer. It all happens in this tab, with no account and no paid version.
Gallons (US) to fluid ounces (US) converter
1 gallon=128 fluid ounces (US)
Formulafluid ounces (US) = gallons (US) × 128
How to convert gallons (US) to fluid ounces (US)
- Type a value, or a question like the one already filled in.
- The result appears as you type, alongside every related unit.
- Copy it.
Volume chart
| Gallons (US) | Fluid ounces (US) |
|---|---|
| 1 | 128 |
| 2 | 256 |
| 5 | 640 |
| 10 | 1,280 |
| 25 | 3,200 |
| 50 | 6,400 |
| 100 | 12,800 |
| 1,000 | 128,000 |
Questions
Is this gallons (US) to fluid ounces (US) converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Does anything get sent to a server?
No. It all runs in your browser, so it keeps working once the page has loaded, even offline.
How do I convert gallons (US) to fluid ounces (US)?
Use fluid ounces (US) = gallons (US) × 128. 1 gallon is 128 fluid ounces (US). Type any value in the converter above, or a plain question like "5 gal in floz".
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