Convert line (button makers) to ri (Japanese league)
Selected category: length.
Definition and details for line (button makers):
U.S. button maker use the "line" unit of length to measure buttons. This unit is equal to 1/40 inch or 0.635 mm. It was probably introduced by German immigrants, who used since ninth century a different version of "ligne" equal to 1/40 inch to measure buttons.
Definition and details for ri (Japanese league):
Ri is a traditional Japanese unit of distance, which is sometimes called the "Japanese league", because it is similar to the European league. One ri is equal to 12 960 shaku (one shaku equals to 10/33 m). This is about 3927 meters.