US Gallon (gal) to US Fluid Ounce (fl oz)

Convert US Gallon (gal) to US Fluid Ounce (fl oz) instantly with our free online converter. Enter a value and get the result immediately — no signup, no ads, works entirely in your browser.

How to use US Gallon to US Fluid Ounce

1. Enter the value in US Gallon (gal) in the input field.
2. The result in US Fluid Ounce (fl oz) is calculated instantly as you type.
3. Copy the result using the Copy button or click Clear to start over.

What is US Gallon to US Fluid Ounce?

FAQ

How do I convert US Gallon to US Fluid Ounce?

Enter the value in US Gallon in the input field above. The equivalent US Fluid Ounce value will be calculated automatically. Multiply the value in US Gallon by 128.000 to get US Fluid Ounce.

What is the formula to convert gal to fl oz?

1 gal = 128.000 fl oz. Multiply the US Gallon value by 128.000 to get US Fluid Ounce.

Is this converter accurate?

Yes, this converter uses standard conversion factors and provides results to high precision. All calculations happen in your browser using JavaScript's floating-point arithmetic.