Convert polypin (metric) to firkin (beer 1803-1824)
Selected category: volume.
Definition and details for polypin (metric):
Polypin is a traditional informal British unit of volume for beer and other alcoholic beverages, equal to 2 minipins, or 20 liters.
Definition and details for firkin (beer 1803-1824):
Firkin in 1803 was defined as 9 ale gallons or 41.59 liters.