Convert 1 Gallons to Fluid Ounces
How many fluid ounces in 1 gallons? The answer is 128 fl oz (US). Step-by-step formula, reverse conversion and nearby values included.
1 gal (US) = 128 fl oz (US)
Worked example
fl oz (US) = gal (US) × 128
1 gal (US) × 128 = 128 fl oz (US)
Nearby values
| gal (US) | fl oz (US) |
|---|---|
| 1 gal (US) | 128 fl oz (US) |
| 2 gal (US) | 256 fl oz (US) |
| 3 gal (US) | 384 fl oz (US) |
| 4 gal (US) | 512 fl oz (US) |
| 5 gal (US) | 640 fl oz (US) |
| 6 gal (US) | 768 fl oz (US) |
| 7 gal (US) | 896 fl oz (US) |
| 8 gal (US) | 1,024 fl oz (US) |
| 9 gal (US) | 1,152 fl oz (US) |
Gallons → Fluid Ounces · Fluid Ounces → Gallons
Frequently asked questions
How do I convert Gallons to Fluid Ounces?
Use this formula: fl oz (US) = gal (US) × 128. For example, 1 gal (US) × 128 = 128 fl oz (US).