1 Fluid Ounce to Gallons
1 fluid ounce is 0.007813 gallons. See the step-by-step breakdown and reference table below, or try a different value in the calculator.
1 fl oz = 0.007813 gal
fl oz ÷ 128 = gal
1 fl oz is also
fl oz
gal
Step-by-Step Calculation
fl oz ÷ 128 = gal
- Start with 1 fl oz
- Divide by 128: 1 ÷ 128 = 0.007813
- Result: 1 fl oz = 0.007813 gal
This conversion factor (0.0078125) is the same for every fluid ounce to gallon calculation.
Fluid Ounce to Gallon Conversion Table
Related Calculators
Frequently Asked Questions
1 fluid ounce equals 0.007813 gallons.
The formula is: fl oz ÷ 128 = gal. See the fl oz to gal formula page for worked examples.
Use the gallons to fluid ounce converter. The reverse formula is: gal × 128 = fl oz.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (fl oz ÷ 128 = gal) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.