Convert puncheon (U.K. wine) to cubic Megameter
Selected category: volume.
Definition and details for puncheon (U.K. wine):
Puncheon is a traditional unit of volume equal to 70 imperial gallons. This unit is the same with tertian and wine firkin.
Definition and details for cubic Megameter:
Cubic Megameter (Mm3) is a unit of volume equal to 1018m3. For example the volume of water in all Earth oceans is about 1.4 Mm3.