Convert gigameter to league (Celtic)
Selected category: length.
Definition and details for gigameter:
Gigameter (Gm) is a metric unit of distance equal to one million kilometers (or 109m). This unit would be a good yardstick for the inner Solar System.
Definition and details for league (Celtic):
A league was intended to represent the distance a person could walk in an hour. The Celtic unit seems to be about 2275 meters.