To convert square rods (perches) to square miles, multiply the value by 9.76563 × 10⁻⁶. To go the other way, multiply square miles by 102,400 to get square rods (perches).
| Square Rods (Perches) (rd²) | Square Miles (mi²) |
|---|---|
| 1 rd² | 9.76563 × 10⁻⁶ mi² |
| 2 rd² | 1.95313 × 10⁻⁵ mi² |
| 5 rd² | 4.88281 × 10⁻⁵ mi² |
| 10 rd² | 9.76563 × 10⁻⁵ mi² |
| 20 rd² | 0.000195313 mi² |
| 50 rd² | 0.000488281 mi² |
| 100 rd² | 0.000976563 mi² |
| 500 rd² | 0.00488281 mi² |
| 1,000 rd² | 0.00976563 mi² |
25 rd² × 9.76563 × 10⁻⁶ = 0.000244141 mi²
Try this example →250 rd² × 9.76563 × 10⁻⁶ = 0.00244141 mi²
Try this example →Square rod (perch) (rd²). A square rod, pole or perch is 30.25 square yards (25.29 m²); the perch is still used for plots in Sri Lanka and Australia.
Square mile (mi²). A square mile is 640 acres (2.58999 km²).
There are 9.76563 × 10⁻⁶ square miles in one square rod (perch).
Multiply the number of square rods (perches) by 9.76563 × 10⁻⁶. For example, 10 square rods (perches) equal 9.76563 × 10⁻⁵ square miles.
One square mile equals 102,400 square rods (perches).