Convert palm (U.S.) to fermi
Selected category: length.
Definition and details for palm (U.S.):
Palm (U.S.) is a traditional unit of length equal to the length of a person's hand, from wrist to the end of the middle finger. This kind of palm definition was common in the U.S. during 19th century. One palm was equal to 9 inches or 22.86cm and it was comparable to span.
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.