Convert barleycorn to pica (TeX or Johnson)
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 pica (TeX or Johnson):
Johnson pica (pc) is a unit of length approved by the Fifteenth Meeting of the Type Founders Association of the United States in 1886. It is equal to 0.166 inch exactly.