Convert foot (survey) to shackle (Britain 1949)
Selected category: length.
Definition and details for foot (survey):
Survey foot was defined to be equal exactly 1200/3937 meter, or about 30.480 060 96 centimeters.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.