Canna (unit)
Canna was an ancient Italian unit of length, which differed from place to place.
- Capua: 2.1768707 m
- Republic of Genoa: 2.49095 m
- Kingdom of Naples:
- *canna: 2.1163952 m
- *canna: 2.6455026 m
- *field surveying canna: 6.998684 m²
- Romagna: 1.9928 m
- Sicily: 2.062 m
- Tuscany
- * field surveying canna, a.k.a. 5 "braccia" long "pertica": 2.9183 m
- * canna : 0.58366 m
- Rome
- *canna : 2.234 m
- *commercial canna: 1.992 m
- Teramo: 3.17 m
- Malta: 2.08 m
