How to Convert fluid ounces (us) to gallons (us)
To convert fluid ounces (us) to gallons (us), divide the value by 128.000067628.
The Formula
gallons (us) = fluid ounces (us) ÷ 128.000067628
Key Fact
1 gallon (us) = 128.000067628 fluid ounces (us)
Tip: To convert gallons (us) back to fluid ounces (us), multiply by 128.000067628.