Convert si (Chinese) to parsec
Selected category: length.
Definition and details for si (Chinese):
Si is a Chinese unit of length equal to 1/100000 chi (Chinese foot) or 3.33 µm.
Definition and details for parsec:
Parsec (pc or psc) is a unit of distance used by the astronomers. Parsec is defined as the distance at which a star would appear to shift its position by one arcsecond during the time in which Earth moves one astronomical unit perpendicular to the direction of the star.