Convert span to pouce de Roi (French inch)
Selected category: length.
Definition and details for span:
Span is a traditional unit of length equal to 9 inches or 22.86 mm. A span was defined as the length of the span of a man's hand with fingers stretched out as far as possible. The name comes from the old English word "spann".
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.