Convert gallon (Roman) to cubic Megameter
Selected category: volume.
Definition and details for gallon (Roman):
Ancient Romans used "galeta", a unit of volume equal to 216 in3.
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.