Convert fermi to perch (Ireland)
Selected category: length.
Definition and details for fermi:
One fermi (fm) equals to 10-15 meter. This unit of distance was formerly used in atomic physics and was named for Enrico Fermi (1901-1954), the Italian-American physicist who built the first nuclear reactor.
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.