Convert light day to ri (Korea)
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 ri (Korea):
Ri (Korea) is a unit of length used in Korea equal to 392.727 meters.