Convert tonneau (French ton) to perch (volume)
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 perch (volume):
Perch (per) is a traditional unit of volume for stone and masonry, defined as the volume of a stone wall 16.5 feet (one perch length) long, 18 inches high and 12 inches thick. This is exactly 24.75 cubic feet, or about 0.701 cubic meter.