Canna (unit)

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Metric conversion table, 1860

Canna (pl. canne; proper meaning in Italian: Cane) was an ancient Italian unit of length, which differed from place to place.

  • Capua: 2.1768707 m (9th – 15th centuries)[1]
  • Republic of Genoa: 2.49095 m
  • Kingdom of Naples:
    • canna: 2.1163952 m (edict of 6 April 1480)
    • canna: 2.6455026 m (law of 6 April 1840)
    • field surveying canna: 6.998684 m² (law of 6 April 1840)
  • Romagna: 1.9928 m
  • Sicily: 2.062 m
  • Tuscany
    • field surveying canna, a.k.a. 5 "braccia" long "pertica": 2.9183 m
    • canna (fabric): 0.58366 m
  • Rome
    • canna (architecture): 2.234 m
    • commercial canna: 1.992 m
  • Teramo: 3.17 m
  • Malta: 2.08 m (2 yd, 10 in)[2]

Sources

Notes

  1. *De Rosa, Vincenzo (1977). "Tavole di ragguaglio delle misure napoletane comuni e delle consuetudinarie capuane con il sistema metrico decimale" (in Italian). Quaderni della Gazzetta di Gaeta (Cassino: Di Bernardo) (14). 
  2. "The Water Supply of the Maltese Islands". Archivum Melitense (Malta Historical and Scientific Society) VII (1): 6. 1922. Archived from the original on 4 March 2016. https://web.archive.org/web/20160304110006/http://www.melitensiawth.com/incoming/Index/Archivum%20Melitense/AM.07%281922-1928%29/AM.7%281922%291/01.pdf. "One Maltese canna is practically, equal, [sic] to 2 yards 10 inches.".