Convert tonneau (French ton) to firkin (beer 1688-1803)
Selected category: volume.
Definition and details for tonneau (French ton):
Tonneau is a traditional French unit of volume equal to 42 pied cube, or about 1440 liters.
Definition and details for firkin (beer 1688-1803):
Firkin in 1688 was defined as 8.5 ale gallons or about 39.28 liters.