Convert gallon (U.S.) to polypin (metric)
Selected category: volume.
Definition and details for gallon (U.S.):
Gallon (gal) is a traditional unit of volume defined in the U.S equal to 231 in3 or exactly 3.785411784 liters.
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.