how many oz in a gallon

A gallon is a unit of measurement for volume and is equal to 128 fluid ounces. One gallon is the same as 16 cups, 8 pints, 4 quarts, and 128 fluid ounces. Fluid ounces are typically used to measure liquids, such as water or milk. Therefore, there are 128 fluid ounces in one gallon.

A US dry gallon is different than a US fluid gallon. A US dry gallon is equal to 1.164 liquid gallons and is used to measure dry substances such as grains, sand, or flour. A US dry gallon is equal to 4 quarts, 8 pints, or 16 cups. Therefore, there are only 8 dry ounces in a US dry gallon.

It is important to note that there are different sizes of gallons depending on the country or system of measurement. The US gallon is the most commonly used gallon and is the basis for most other gallons. For example, the imperial gallon is equal to 1.2 US gallons and the Canadian gallon is equal to 1.2 imperial gallons. Therefore, the amount of fluid ounces in a gallon can vary depending on the system of measurement.