Convert petameter to league (Celtic)
Selected category: length.
Definition and details for petameter:
Petameter (Pm) is a metric unit of distance equal to 1015 meters. The distance from our sun to the nearest star is about 40 petameters.
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.