What is half of a gallon?

Half of a gallon is equivalent to 64 fluid ounces or 1.89 liters. It is also known as a half-gallon, and it is commonly used for measuring liquids such as milk, juice, and water. In the United States, a half-gallon of milk is a common size sold in grocery stores. This size is also used for some larger household products that are sold in liquid form, such as cleaning solutions and paint. Half of a gallon is an important volume measurement in many industries and everyday applications.