Convert Gallons (US) to Fluid Ounces (US)
One gallon (US) equals 128.000068 fluid ounces (us). Type any value to convert gallons (us) to fluid ounces (us) instantly — with a full reference table below.
Convert Gallons (US) to Fluid Ounces (US)
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Conversion formula
To convert gallons (us) to fluid ounces (us), multiply by 128.000068. One gallon (US) equals 128.000068 fl oz, and one fluid ounce (US) equals 0.007812 gal.
Gallons (US) to Fluid Ounces (US) table
About converting Gallons (US) to Fluid Ounces (US)
Gallons (US) (gal) and Fluid Ounces (US) (fl oz) are both units of volume. The exact factor is 1 gal = 128.000068 fl oz, so multiply by 128.000068 to go from gallons (us) to fluid ounces (us) (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Fluid Ounces (US) to Gallons (US) converter, or the full unit converter for every unit at once.