US Fluid Ounce to US Gallon Converter

Convert US fluid ounces to US gallons instantly. Perfect for bulk liquid calculations and large volume measurements.

US Fluid Ounces (fl oz)

US Gallons (gal)

128 fl oz = 1 gal

About US Fluid Ounces

The US fluid ounce (fl oz) is a unit of volume measurement in the US customary system. It's commonly used for beverages, cooking ingredients, and small liquid measurements.

128 fl oz = 1 US gallon

About US Gallons

The US gallon (gal) is a large unit of volume measurement used primarily in the United States for fuel, large beverage containers, and bulk liquid measurements.

1 US gallon = 3.785 liters

Common fl oz to Gallon Conversions

32 fl oz

0.25 gal

64 fl oz

0.5 gal

96 fl oz

0.75 gal

128 fl oz

1 gal

US Volume Measurement Hierarchy

Small to Large

1 fl oz Base unit

8 fl oz 1 cup

16 fl oz 1 pint

32 fl oz 1 quart

128 fl oz 1 gallon

Quick Reference

• 1 gallon = 4 quarts

• 1 quart = 2 pints

• 1 pint = 2 cups

• 1 cup = 8 fl oz

• 1 gallon = 128 fl oz

Common Applications

Beverage Industry

Converting between bottle sizes and bulk containers

Fuel Calculations

Small container to tank volume conversions

Industrial

Chemical and liquid material calculations

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