Convert from gallons to ounces (gal to oz) using this handy conversion tool and charts

Find the answer to how many oz in a gal with our guide for US, Imperial (UK), and Metric conversions, plus charts, FAQs, and more!

The conversion factor for gallon to ounces is 128, which means that one gallon is equal to 128 ounces. To convert gallon to oz, we can use the following formula:

How Many Fluid Ounces Are in a Gallon? There are 128 fluid ounces in a gallon, which is why we use this value in the formula above. 1 gal = 128 fl oz Gallons and fluid ounces are both units …

Aug 14, 2025 · Quick Tip: Most Americans only need to remember 128 ounces per gallon. I've found this number comes in handy more often than you'd think - from mixing cleaning …

Nov 15, 2024 · Knowing how many ounces are in a gallon is more than just trivia, it is a practical skill for daily life. Whether you are hydrating, cooking, or measuring fuel, this guide equips you …

Convert from gallons to ounces and vice versa. Learn how many ounces are in a gallon and easily convert between the two units with our handy converter tool, conversion tables and formulas.

A U.S. gallon is a unit of volume equal to 128 U.S. fluid ounces, or about 3.785 liters. It should not be confused with the imperial gallon used in the United Kingdom.

Feb 11, 2025 · Find how many ounces in a gallon (with a chart!) Ever wondered how many oz per gallon? The answer is 1 US gallon = 128 US ounces.

May 10, 2025 · While 128 ounces in a US gallon and 160 ounces in an Imperial gallon are standard, it’s easy to get the numbers mixed up. Always double-check the conversion factor …