Convert fl oz to gallons

US fluid ounces to US gallons. Enter a value to convert, or use the fl oz to gallons chart further down the page.

1 fl oz = 0.0078125 gal

1 US fluid ounce equals 0.0078125 US gallons. Going the other way, 1 US gallon = 128 US fluid ounces.

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Check this before you rely on it. This converter is provided free and without warranty, and its results are not professional advice.

How to convert fl oz to gallons

To convert US fluid ounces to US gallons, multiply the US fluid ounce value by 0.0078125. You can also divide by 128 to get the same answer.

gal = fl oz × 0.0078125

Convert 15 fl oz to US gallons:

15 fl oz = 0.1171875 gal

Use this fl oz to gallons table for quick reference without typing anything.

The US fluid ounce is exactly 29.5735295625 milliliters — one sixteenth of a US pint. It measures volume, not weight.

The US liquid gallon is exactly 3.785411784 liters, or 231 cubic inches. It is about 17% smaller than the imperial gallon.

How many gallons are in an US fluid ounce?

1 fl oz equals 0.0078125 gallons. Going the other way, 1 gallons is 128 fl oz.

How do you convert fl oz to gallons?

To convert US fluid ounces to US gallons, multiply the US fluid ounce value by 0.0078125. You can also divide by 128 to get the same answer.

What is 10 fl oz in gallons?

10 fl oz equals 0.078125 gallons. The conversion chart on this page lists the other values people look up most often.