Is there one gallon in a twelve pack of beer?

* Volume: A gallon is a unit of volume. A twelve-pack of beer is a unit of *quantity*.

* Different Sizes: Beer bottles and cans come in various sizes, like 12 oz, 16 oz, or even larger.

To figure out if there's a gallon in a twelve-pack, you'd need to know the size of the individual beers.

Let me know the size of the beers, and I can calculate if there's a full gallon in the pack!