Tag: 128 ounces

One U.S. liquid gallon is exactly equal to 128 ounces of water, a fundamental conversion for understanding and tracking fluid intake. This knowledge is especially useful for those aiming for specific daily hydration goals or simply needing to measure large volumes of liquid accurately.

A standard US liquid gallon contains 128 fluid ounces. This simple, factual conversion is the key to determining how many glasses of water is 1 gallon, but the answer ultimately depends on the size of your drinking glass.