Convert pica (em) to light hour
Selected category: length.
Definition and details for pica (em):
Typographers and printers use pica (pi or pc) unit of length. One pica is approximately 4.22 mm.
Definition and details for light hour:
Light hour is defined as the distance the light travels in one hour through a vacuum. The defined light speed is c = 299,792,458 m/sec. So one light hour equals exactly 1,079,252,848,800 meters.