Convert astronomical unit to chi (Chinese foot)
Selected category: length.
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.
Definition and details for chi (Chinese foot):
Chi is equal to 1/3 of a meter. Sometimes in English it is referred as "Chinese foot".