US Fluid Ounces to US Gallons Converter

To convert a measurement in us fluid ounces to us gallons, multiply the value by 0.0078125. The conversion factor comes from the relationship between both units and the liter.

For example, to convert 5 fl oz to us gallons: 5 × 0.0078125 = 0.0390625 gal.

A US fluid ounce is a US customary unit of liquid volume equal to 1/8 of a cup or about 29.57 milliliters. The fluid ounce measures volume, not weight, and the US version differs from the slightly smaller imperial fluid ounce (about 28.4 mL). It is the standard unit for labeling drink and cosmetic volumes in the US.

Common uses of us fluid ounces include: Drink and beverage container labeling in the US; Cosmetic and personal-care product volumes; Recipe liquid quantities; Bar and cocktail measurements.

A US gallon is a US customary unit of volume equal to 4 quarts, 128 fluid ounces, or exactly 3.785411784 liters. The US gallon is based on the old English wine gallon of 231 cubic inches. It is smaller than the imperial gallon used in the UK and Commonwealth, a frequent source of fuel-economy confusion.

Common uses of us gallons include: Fuel sold at the pump in the US; Milk, water, and beverage jug sizes; Paint and household liquid quantities; Vehicle fuel-economy figures (miles per gallon).

Here are some common values converted:

1 fl oz = 0.0078125 gal 5 fl oz = 0.0390625 gal 10 fl oz = 0.078125 gal 50 fl oz = 0.390625 gal 100 fl oz = 0.78125 gal