1.Previous
3.Next

to the amount of liquid needed to fill a barrel to capacity.

Alcoholic beverages

In winemaking, ullage came to refer to any amount by which a barrel is unfilled, perhaps because some of the contents have been used. It is also applied to the unfilled air space at the top of a bottle of wine, which in this case is essential to allow for expansion of the contents as the temperature changes.

By further extension, in brewing and beer retail, ullage is the residue of beer left in a barrel that has been emptied. When calculating

1.Previous
3.Next