Convert picometer to barleycorn
Selected category: length.
Definition and details for picometer:
A picometer (pm) is one trillionth (1 E-12 m) of a meter.
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.