Convert vara (Castile) to astronomical unit
Selected category: length.
Definition and details for vara (Castile):
Vara is the Spanish yard that varied in size at various times and places. Vara of Castile was the standard vara. It was equal to 0.8359 m
Definition and details for astronomical unit:
Astronomers use astronomical unit (ua or au or AU) as yardstick for measuring the distances between objects in the Solar System. AU is defined as the distance from the center of the Earth to the center of the Sun. Currently it is accepted that this length is 149 597 870 691 meters, with an uncertainty of about 30 meters.