Convert Gallons (US) to Fluid Ounces (US)
Convert gallons (us) to fluid ounces (us) (gal to fl oz) instantly. Free, accurate gallons (us) to fluid ounces (us) calculator with conversion formula and chart.
1 gal = 128 fl oz
Conversion formula
1 gallon (US) = 128 fluid ounces (us)
Multiply a value in gallons (us) by 128 to get fluid ounces (us); divide by the same number to convert back.
Gallons (US) to Fluid Ounces (US) conversion table
| Gallons (US) (gal) | Fluid Ounces (US) (fl oz) |
|---|---|
| 1 gal | 128 fl oz |
| 2 gal | 256 fl oz |
| 5 gal | 640 fl oz |
| 10 gal | 1,280 fl oz |
| 25 gal | 3,200 fl oz |
| 50 gal | 6,400 fl oz |
| 100 gal | 12,800 fl oz |
| 500 gal | 64,000 fl oz |
| 1,000 gal | 128,000 fl oz |
- For example, 12 gallons (us) is 1,536 fluid ounces (us).
- A value of 75 gallons (us) converts to 9,600 fluid ounces (us).
- Going the other way, 1 fluid ounce (US) is 0.0078125 gallons (us).
More volume conversions
About Gallons (US) to Fluid Ounces (US)
Easily convert gallons (us) (gal) to fluid ounces (us) (fl oz) with this free, instant calculator. Enter a value in gallons (us) to see the equivalent in fluid ounces (us) right away — accurate and calculated in your browser.
How to use Gallons (US) to Fluid Ounces (US)
- 1
Enter the number of gallons (us) you want to convert.
- 2
The equivalent value in fluid ounces (us) appears instantly.
- 3
Switch units anytime to convert in either direction.
How to convert Gallons (US) to Fluid Ounces (US)
Enter any value in gallons (us) (gal) and this calculator instantly shows the equivalent in fluid ounces (us) (fl oz) using the exact internationally agreed conversion factor — no rounding tricks, no ads in the way, and it works offline once the page is loaded.
Use the swap button to convert in the other direction (fluid ounces (us) to gallons (us)), or switch to any other volume unit from the dropdown — the same page handles liters, milliliters, cubic meters, gallons (us), quarts (us), pints (us), cups (us), fluid ounces (us).
Frequently Asked Questions
How do you convert gallons (us) to fluid ounces (us)?
Enter your value in gallons (us) and the converter instantly shows the result in fluid ounces (us) using the exact conversion factor.
Is the gallons (us) to fluid ounces (us) converter free?
Yes — it's completely free, instant and requires no sign-up.
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