Convert ri (Japanese league) to shackle (Britain 1949)
Selected category: length.
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.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.