Convert palm (U.S.) to pouce de Roi (French inch)
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 pouce de Roi (French inch):
"Pouce de Roi" is the Paris inch. This traditional unit of lengh is equal to 750/27706 meter or about 27.07 mm. The Paris inch could be subdivided into 12 ligne (the Paris line), and 12 Paris inches made a Paris foot.