Convert barleycorn to light minute
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 light minute:
Light minute is defined as the distance the light travels in one minute through a vacuum. The defined light speed is c = 299,792,458 m/sec. So one light minute equals exactly 17,987,547,480 meters.