Gallons to Fluid Ounces Conversion Calculator

Convert gallons to fluid ounces quickly and easily with our free online calculator.

About this Converter

This free gallons to fluid ounces converter provides quick and accurate conversions for all your measurement needs. Simply enter a value in gallons and get the equivalent in fluid ounces instantly.

How to Convert Gallons to Fluid Ounces

To convert from gallons to fluid ounces, multiply your gallons value by 128. For example, 1 gallon = 128 fluid ounces.

Common Conversions

• 1 gallon = 128 fluid ounces
• 0.5 gallons = 64 fluid ounces
• 2 gallons = 256 fluid ounces
• 5 gallons = 640 fluid ounces
• 10 gallons = 1280 fluid ounces

How to Use

1. Enter the number of gallons in the input field
2. The result in fluid ounces will be calculated automatically
3. The conversion uses the standard US gallon to fluid ounce ratio

About the Conversion

The gallon to fluid ounce conversion is commonly used in cooking and beverage measurements. Both units are part of the US customary system of measurement.