Convert shackle (Britain 16th century) to perch (Ireland)
Selected category: length.
Definition and details for shackle (Britain 16th century):
Shackle unit of length used for measuring lengths, especially anchor chains. During the 16th century in Britain, shackle was defined as 75 feet or 22.86 meters.
Definition and details for perch (Ireland):
Perch is a traditional unit of length. In Ireland perch is defined as 21 feet or 6.4008 meters.