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:

Oct 28, 2025 · Discover exactly how many ounces are in a gallon of water with this easy-to-follow guide. Learn quick conversions for fluid ounces, cups, pints, quarts, and liters, plus handy tables, …

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.

The gallons to ounces converter is a simple tool to convert from US fluid gallons to US fluid ounces. It works by taking the input value in gallons and applying the conversion factor of 128 ounces per …

Jan 16, 2026 · There are 128 fluid ounces in a gallon of water. This is around the recommended daily water intake for men (124 fluid ounces) and a little more than the recommended daily intake for …

How many ounces in a gallon? conversion calculator that is used to convert the volume in gallons (gal) to the volume of fluid ounces (fl. Oz). There are 128 fluid ounces in one gallon.

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 solutions to planning …

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 …