Convert polypin (metric) to seam (U.K.)
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 seam (U.K.):
Seam is a traditional unit of volume equal to 8 bushels. This unit was in use until the early nineteenth century. Today it is called "quarter".