Convert petameter to palm (Britain)
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 palm (Britain):
Palm in Britain was used as a unit of length equal to the width of a person's palm. It was equal to 4 digits or 7.62 cm.