Use the calculator above to convert Gallons (gal) to Fluid Ounces (fl oz) instantly, or check the reference table and answers below. 1 Gallon equals 128.000000 fl oz.
To convert Gallons to Fluid Ounces, multiply the Gallons value by 128. To go the other way, divide by 128 instead.
How many Fluid Ounces are in 1 Gallon?
1 Gallon (gal) equals 128.000000 fl oz.
How many Fluid Ounces are in 10 Gallons?
10 Gallons (gal) equals 1280.000000 fl oz.
Symbol: gal
A gallon (gal) is a US customary unit of volume used for liquids, especially fuel and large liquid quantities.
Symbol: fl oz
A fluid ounce (fl oz) is a US customary unit of volume, commonly used for measuring liquids like beverages and cooking ingredients.
| Gallons [gal] | Fluid Ounces [fl oz] |
|---|---|
| 0.01 gal | 1.280000 fl oz |
| 0.1 gal | 12.800000 fl oz |
| 1 gal | 128.000000 fl oz |
| 2 gal | 256.000000 fl oz |
| 3 gal | 384.000000 fl oz |
| 5 gal | 640.000000 fl oz |
| 10 gal | 1280.000000 fl oz |
| 20 gal | 2560.000000 fl oz |
| 50 gal | 6400.000000 fl oz |
| 100 gal | 12800.000000 fl oz |
| 1000 gal | 128000.000000 fl oz |