Convert punto (Castile) to light hour
Selected category: length.
Definition and details for punto (Castile):
Punto is a traditional unit of length comparable to the "point". In Castile it was defined to be equal to 1/1728 pie or about 0.16 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.