| I. Smaller Measures. | Feet. | Inches. | ||||||
| Digitus | ” | ·7281 | ||||||
| 1⅓ | Uncia or Pollex | ” | ·9708 | |||||
| 4 | 3 | Palmus | ” | 2·9124 | ||||
| 12 | 9 | 3 | Palmus Major (of late times) | ” | 8·7372 | |||
| 16 | 12 | 4 | 1⅓ | Pes | ” | 11·6496 | ||
| 20 | 15 | 5 | 1⅔ | 1¼ | Palmipes | 1 | 2·562 | |
| 24 | 18 | 6 | 2 | 1½ | 1⅕ | Cubitus | 1 | 5·4744 |
N.B.—Approximate Values. The Roman Uncia, Pes, and Cubitus only fall short of our Inch, Foot, and Foot and a half, by less than 1-10th, 4-10ths, and 6-10ths of an inch respectively.