The uncia (plural: unciae) was a Roman unit of length, weight, and volume. It survived as the Byzantine liquid ounce (Greek: οὐγγία, oungía) and the origin of the English inch, ounce, and fluid ounce.
|1 𐆑 in ...||... is equal to ...|
|SI base units||24.6 mm|
|U.S. customary||0.97 in|
The Roman ounce was 1⁄12 of a Roman pound.