Gallon (US) to Fluid ounce (US)
1 gal (US) = 128 fl oz (US)
Precision & format
1 gal (US) equals
128fl oz (US)
All 31 units
- LiterL3.785411784
- MillilitermL3,785.411784
- Cubic meterm³0.003785411784
- Cubic centimetercm³3,785.411784
- Cubic millimetermm³3,785,411.784
- Cubic kilometerkm³3.785411784 × 10⁻¹²
- HectoliterhL0.03785411784
- DeciliterdL37.85411784
- CentilitercL378.5411784
- MicroliterµL3,785,411.784
- Gallon (US)gal (US)1
- Gallon (Imperial)gal (UK)0.8326741846
- Quart (US)qt (US)4
- Quart (Imperial)qt (UK)3.330696739
- Pint (US)pt (US)8
- Pint (Imperial)pt (UK)6.661393477
- Cup (US)cup (US)16
- Cup (metric)cup (metric)250 mL15.14164714
- Fluid ounce (US)fl oz (US)128
- Fluid ounce (Imperial)fl oz (UK)133.2278695
- Tablespoon (US)tbsp (US)256
- Teaspoon (US)tsp (US)768
- Tablespoon (metric)tbsp (metric)15 mL252.3607856
- Teaspoon (metric)tsp (metric)5 mL757.0823568
- Gill (US)gi (US)32
- Cubic footft³0.1336805556
- Cubic inchin³231
- Cubic yardyd³0.004951131687
- Barrel (oil)bbl42 US gal0.02380952381
- Barrel (US liquid)bbl (US)31.5 US gal0.03174603175
- Acre-footac ft0.000003068883277
Gallon (US) to Fluid ounce (US) table
| Gallon (US) (gal (US)) | Fluid ounce (US) (fl oz (US)) |
|---|---|
| 1 | 128 |
| 2 | 256 |
| 5 | 640 |
| 10 | 1,280 |
| 20 | 2,560 |
| 50 | 6,400 |
| 100 | 12,800 |
| 250 | 32,000 |
| 500 | 64,000 |
| 1,000 | 128,000 |
How the conversion works
Multiply the gallon (us) figure by 128 to get fluid ounce (us). Every factor on this site is anchored to the SI base unit for volume, so the same number is used everywhere it appears.
Going the other way, 1 fl oz (US) = 0.0078125 gal (US) — see fluid ounce (us) to gallon (us).
