Convert US gallons to US fluid ounces
Quick answer
1 gal = 128 fl oz
(and 1 fl oz = 0.007813 gal)
US gallons-to-US fluid ounces formula
To convert us gallons to us fluid ounces, multiply the value by 128:fl oz = gal × 128
US gallons to US fluid ounces conversion table
| US gallons (gal) | US fluid ounces (fl oz) |
|---|---|
| 1 gal | 128 fl oz |
| 2 gal | 256 fl oz |
| 3 gal | 384 fl oz |
| 5 gal | 640 fl oz |
| 10 gal | 1,280 fl oz |
| 20 gal | 2,560 fl oz |
| 25 gal | 3,200 fl oz |
| 50 gal | 6,400 fl oz |
| 100 gal | 12,800 fl oz |
| 250 gal | 32,000 fl oz |
| 500 gal | 64,000 fl oz |
| 1000 gal | 128,000 fl oz |
Need a different value?
Use the interactive volume converter for any number and unit.
Open the Volume Converter