| Term | Description |
|---|---|
| Acre | 43,560 square ft or 160 square rods |
| Chain | 100 Links or 66 feet |
| Circle | 360 degrees |
| Furlong | 1000 Links or 660 feet |
| Link | Unit of length equal to 1/100 chain or 7.92 inches |
| Rod | 5 1/2 yds or 16 1/2 ft (also called a perch or pole) |
| Rood | From 5 1/2 yards to 8 yards, dependingon locality; usually equal to 1/4 acre. |
| Perch | 1 perch = 1 rod = 5.5 yards = 16.5 feet |
| Square Mile | 1 square mile = 640 acres |
| Pole | measure |
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