How do I convert Gallon (US) to Fluid Ounce?

To convert Gallon (US) to Fluid Ounce, multiply the value in Gallon (US) by the conversion factor. The formula is: value × 128

How many Fluid Ounce are in 1 Gallon (US)?

There are 128 Fluid Ounce in 1 Gallon (US).

What is the formula to convert gal to fl oz?

The formula is: value × 128. Simply multiply the Gallon (US) value by 128 to get the equivalent Fluid Ounce value.

Is this Gallon (US) to Fluid Ounce converter accurate?

Yes, our converter uses precise conversion factors to ensure accurate results. The conversion is calculated in real-time as you type, giving you instant and reliable results.

gal → fl oz - Gallon (US) to Fluid Ounce Converter

Enter value

From

To

Common Conversions

Gallon (US) (gal)	Fluid Ounce (fl oz)
0.1 gal	12.8 fl oz
0.5 gal	64 fl oz
1 gal	128 fl oz
2 gal	256 fl oz
5 gal	640 fl oz
10 gal	1,280 fl oz
15 gal	1,920 fl oz
20 gal	2,560 fl oz
25 gal	3,200 fl oz
50 gal	6,400 fl oz
100 gal	12,800 fl oz
500 gal	64,000 fl oz
1,000 gal	128,000 fl oz

How to Use

1Select the unit to convert from
2Select the unit to convert to
3Enter the value and get instant results

Related Converters

L → galLiter to Gallon (US)L → mLLiter to Milliliter L → fl ozLiter to Fluid Ounce L → cupLiter to Cup L → ptLiter to Pint L → qtLiter to Quart gal → LGallon (US) to Liter gal → mLGallon (US) to Milliliter gal → cupGallon (US) to Cup gal → ptGallon (US) to Pint gal → qtGallon (US) to Quart mL → LMilliliter to Liter mL → galMilliliter to Gallon (US)mL → fl ozMilliliter to Fluid Ounce mL → cupMilliliter to Cup mL → ptMilliliter to Pint mL → qtMilliliter to Quart fl oz → LFluid Ounce to Liter fl oz → galFluid Ounce to Gallon (US)fl oz → mLFluid Ounce to Milliliter fl oz → cupFluid Ounce to Cup fl oz → ptFluid Ounce to Pint fl oz → qtFluid Ounce to Quart cup → LCup to Liter cup → galCup to Gallon (US)cup → mLCup to Milliliter cup → fl ozCup to Fluid Ounce cup → ptCup to Pint cup → qtCup to Quart pt → LPint to Liter pt → galPint to Gallon (US)pt → mLPint to Milliliter pt → fl ozPint to Fluid Ounce pt → cupPint to Cup pt → qtPint to Quart qt → LQuart to Liter qt → galQuart to Gallon (US)qt → mLQuart to Milliliter qt → fl ozQuart to Fluid Ounce qt → cupQuart to Cup qt → ptQuart to Pint

About Gallon (US) to Fluid Ounce Conversion

Formula

value × 128

Converting Gallon (US) (gal) to Fluid Ounce (fl oz) is a common Volume conversion used in everyday life, science, engineering, and commerce. Understanding how to convert between these units helps you work with different measurement systems used around the world.

The conversion factor between Gallon (US) and Fluid Ounce is straightforward: 1 gal equals 128 fl oz. This means that to convert any value from Gallon (US) to Fluid Ounce, you simply multiply by 128.

Our free online converter makes this calculation instant and error-free. Simply enter your value in Gallon (US) and get the precise equivalent in Fluid Ounce. The tool supports decimal values and provides results with high precision, making it suitable for both casual and professional use.

Gallon (US) and Fluid Ounce are both units of Volume. While they measure the same physical quantity, they belong to different measurement systems or scales, which is why conversion is often necessary when working with international data, recipes, scientific papers, or engineering specifications.

Gallon (US) to Fluid Ounce Converter