Gallons to Fluid Ounces converter

gal to fl oz — 1 L = 33.814 fl oz

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Convert Gallons to all units

mL Milliliters—
L Liters—
tsp Teaspoons—
tbsp Tablespoons—
fl oz Fluid Ounces—
cup Cups—
pt Pints—
qt Quarts—
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Conversion Formula

Gallons to Fluid Ounces: 1 L = 33.814 fl oz

Example: To convert 2 liters to cups: 2 × 4.22675 = 8.4535 cups

Quick Reference: Gallons to Fluid Ounces

GallonsFluid Ounces
1 gal128 fl oz
5 gal640 fl oz
10 gal1,280 fl oz
25 gal3,200 fl oz
50 gal6,400 fl oz
100 gal12,800.01 fl oz
500 gal64,000.03 fl oz
1,000 gal128,000.07 fl oz

Frequently Asked Questions

How do I convert Gallons to Fluid Ounces?

Multiply your gallons value by the conversion factor. To convert 2 liters to cups: 2 × 4.22675 = 8.4535 cups. You can also use the converter above for instant results.

What is gal in fl oz?

1 gal equals 128 fl oz. This is based on the standard conversion factor: 1 L = 33.814 fl oz.

Is this converter accurate?

Yes. ConvertFast uses precise conversion factors computed client-side in your browser. Results are accurate to 6 significant digits, which covers all practical use cases.