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

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:

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!

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 used to …

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.

Instant free online tool for fluid ounce (US) to gallon (US) conversion or vice versa. The fluid ounce (US) [fl oz (US)] to gallon (US) [gal (US)] conversion table and conversion steps are also listed.

Jun 27, 2024 · A US gallon equals 128 fluid ounces, while a UK (Imperial) gallon equals 160 fluid ounces. Use the chart below to quickly determine how many ounces are in any number of gallons.

Oct 23, 2025 · How many ounces in a gallon? Learn the exact conversions for US and UK gallons, fluid ounces, cups, pints, and quarts. This easy guide explains everything with charts, examples, and …

Jul 7, 2025 · How Many Ounces Are in a Gallon is a common question for anyone working with liquid measurements, whether in the kitchen, laboratory, or industry. In the US customary system, one …