Convert barleycorn to parsec
Selected category: length.
Definition and details for barleycorn:
Barleycorn is an old English unit of distance equal to 1/3 inch or about 8.47 millimeters. In farming societies was very common to use seeds as units of length. Barley was a basic crop in England. So barleycorn was a useful unit.
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.