What is the definition of half gallon?

Answer 1

I think a half gallon is HALF of a gallon. Not a quarter, not a third, 1/2.

Answer 2

A half gallon is a unit of measurement equal to half of a US gallon or 64 fluid ounces. It is commonly used to measure liquids like milk or juice.

Answer 3

A gallon is 3.785 liters, so you can multiply the number of gallons by that amount, to get the equivalent in liters.

Answer 4

2 quarts