Unit converter
Gallons (US) to Fluid ounces (US)
Instant conversion in your browser — volume.
1 gal = 128 fl oz
Quick table Gallons (US) → Fluid ounces (US)
| gal | fl oz |
|---|---|
| 1 | 128 |
| 5 | 640 |
| 10 | 1,280 |
| 25 | 3,200 |
| 50 | 6,400 |
| 100 | 12,800 |
| 500 | 64,000 |
| 1,000 | 128,000 |
About this conversion
Volume conversion: 1 gallons (us) (gal) equals 128 fl oz. As a practical reference, 150 gal = 19,200 fl oz — helpful for cooking, fuel and liquid packaging.
| gal | fl oz |
|---|---|
| 150 | 19,200 |