Convert fermi to ligne (Paris line)
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 ligne (Paris line):
Paris line is a traditional unit of length equal to 1/12 of a Paris inch (pouce du Roi) or about 2.256 mm. Ligne is still used by French and Swiss wristwatch makers to measure the size of a watch movement.