Convert cubit (Egyptian Royal) to light day
Selected category: length.
Definition and details for cubit (Egyptian Royal):
Egyptian Royal cubit (mahe) exists at least from around 2,700 B.C. This unit is defined as the length of a man's forearm from his elbow to the tip of his middle finger. The Egyptian royal cubit was 523 to 525 mm long. Our converter uses the average 524 mm.
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.