Gallons to Fluid Ounces Converter

Convert gallons (gal) to fluid ounces (fl oz) with this free volume converter. Enter a value in gallons and get the equivalent measurement in fluid ounces instantly.

Convert Gallons to Fluid Ounces

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How to Convert Gallons to Fluid Ounces

To convert gallons to fluid ounces, multiply the number of gallons by 128.

Conversion Formula

fluid ounces = gallons × 128

For example, 1 gal is equal to 128 fl oz.

Gallons to Fluid Ounces Conversion Table

Gallons (gal) Fluid Ounces (fl oz)
1 gal 128 fl oz
5 gal 640 fl oz
10 gal 1,280 fl oz
20 gal 2,560 fl oz
50 gal 6,400 fl oz
100 gal 12,800 fl oz
500 gal 64,000 fl oz
1000 gal 128,000 fl oz

About Gallons and Fluid Ounces

Gallon: A US liquid gallon (gal) is a unit of volume equal to about 3.785 liters.

Fluid Ounce: A US fluid ounce (fl oz) is a unit of volume equal to about 29.57 milliliters.

Fluid Ounces to Gallons

To convert fluid ounces to gallons, multiply the number of fluid ounces by 0.0078125.

gallons = fluid ounces × 0.0078125

For example, 1 fl oz is equal to 0.0078125 gal.

Gallons to Other Units

Fluid Ounces to Other Units