Canna (unit) explained

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

• Book: Guidi, Giuseppe . Ragguaglio delle monete dei pesi e delle misure attualmente in uso negli stati italiani . Federico Pustet / Le Monnier . Firenze . Italian . 12 July 2015 . 1855 . 1839.

Notes

1. • De Rosa. Vincenzo. 1977. Tavole di ragguaglio delle misure napoletane comuni e delle consuetudinarie capuane con il sistema metrico decimale. Quaderni della Gazzetta di Gaeta. Di Bernardo. Cassino. Italian. 14.
2. The Water Supply of the Maltese Islands. Archivum Melitense. 1922. VII. 1. 6. Malta Historical and Scientific Society. 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. 4 March 2016. One Maltese canna is practically, equal, to 2 yards 10 inches.. dead.