Convert megameter to barleycorn
Selected category: length.
Definition and details for megameter:
A megameter (Mm) equals to 1000 km.
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.