Convert light day to perch (Ireland)
Selected category: length.
Definition and details for light day:
Light day is defined as the distance the light travels in one day through a vacuum. The defined light speed is c = 299,792,458 m/sec. So one light day equals to about 25.902 billion kilometers.
Definition and details for perch (Ireland):
Perch is a traditional unit of length. In Ireland perch is defined as 21 feet or 6.4008 meters.