1 gal = 127.9979 fl oz
Us Gallons (gal)
Fluid Ounces (fl oz)
Result
—fl oz
| Us Gallons | Fluid Ounces |
|---|---|
| 1 gal | 127.9979 fl oz |
| 2 gal | 255.99581 fl oz |
| 5 gal | 639.98952 fl oz |
| 10 gal | 1279.979 fl oz |
| 25 gal | 3199.9476 fl oz |
| 50 gal | 6399.8952 fl oz |
| 100 gal | 12799.79 fl oz |
| 500 gal | 63998.952 fl oz |
| 1000 gal | 127997.9 fl oz |
How to Convert Us Gallons to Fluid Ounces
1 gal = 127.9979 fl oz
To convert from US gallons to fluid ounces, use the formula above. Multiply your value in US gallons by the conversion factor to get the result in fluid ounces.
About Us Gallons
The US gallon (gal) is a standard unit of volume measurement used in scientific and everyday contexts worldwide.
About Fluid Ounces
The fluid ounce (fl oz) is widely used in science and international contexts.
Frequently Asked Questions
QHow many fluid ounces in 1 US gallon?
1 US gallon equals 127.9979 fluid ounces.
QHow do I convert US gallons to fluid ounces?
Use the formula: 1 gal = 127.9979 fl oz. Or simply enter your value in the converter above for an instant, accurate result.
QIs this converter accurate?
Yes. CVRT uses precise conversion factors based on international standards (SI units). Results are accurate to 8 significant figures.
QCan I convert fluid ounces back to US gallons?
Yes — click the swap button (⇄) or visit the Fluid Ounces to Us Gallons converter page.