Uncia (unit)
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(Redirected from Roman ounce)
| Roman inch | |
|---|---|
| Unit system | Roman |
| Unit of | length |
| Symbol | š |
| Conversions | |
| 1 š in ... | ... is equal to ... |
| SI base units | 24.6 mm |
| U.S. customary | 0.97 in |
The uncia (plural: unciae, lit. "a twelfth") was a Roman unit of length, weight, and volume. It survived as the Byzantine liquid ounce (Ancient Greek: Īæį½Ī³Ī³ĪÆĪ±, oungĆa) and the origin of the English inch, ounce, and fluid ounce. The Roman inch was equal to 1⁄12 of a Roman foot (pes), which was standardized under Agrippa to about 0.97 inches or 24.6 millimeters.[citation needed] The Roman ounce was 1⁄12 of a Roman pound.[1]
See also
References
- ā "ounce, n.1", Oxford English Dictionary, 1st ed., Oxford: Oxford University Press, 1911.
