| 12 | Inches | = | 1 Foot, | |
| 3 | Feet | " | 1 Yard, | |
| 5 | ½ | Yards | " | 1 Rod, or Pole, |
| 40 | Poles | " | 1 Furlong, | |
| 8 | Furlongs | " | 1 Mile, | |
| 69 | 1/51 | Miles | " | 1 Degree of Great Circle of Earth. |
4536. An inch is the smallest lineal measure to which a name is given, but subdivisions are used for many purposes. Among mechanics the inch is commonly divided into eighths. By the officers of the revenue, and by scientific persons, it is divided into tenths, hundredths, &c. Formerly it was made to consist of twelve parts called lines.
4537. B.—Particular Measures of Length.
| A Nail | = | 2¼ | inches | } }Used for measuring Cloth }of all kinds. } |
| Quarter | " | 4 | Nails | |
| Yard | " | 4 | Quarters | |
| Ell | " | 5 | Quarters | |
| Hand | " | 4 | Inches, | used for the height of Horses. |
| Fathom | " | 6 | Feet, | used in measuring depths. |
| Link | " | 7 | In. 92 hdths. | }Used in Land Measure to }facilitate computation of } being equal to an acre. |
| Chain | " | 100 | Links |
4538. C.—Measure of Surface.
| 144 | Square Inches | = | 1 Square Foot |
| 9 | Square Feet | " | 1 Square Yard |
| 30¼ | Square Yards | " | 1 Perch, or Rod |
| 40 | Perches | " | 1 Rood |
| 4 | Roods | " | 1 Acre |
| 640 | Acres | " | 1 Square Mile. |