Convert firkin (U.K. beer) to half barrel (European)
Selected category: volume.
Definition and details for firkin (U.K. beer):
Firkin is a traditional unit of liquid volume equal to 1/4 barrel. U.K. beer firkin (after 1824) is equal to 9 imperial gallons or about 40.91 liters.
Definition and details for half barrel (European):
Half European barrel is equal to 25 liters.