Convert Square Miles to Acres
mi²
=
ac
mi²
=
ac
Square Mile (mi²)
An imperial unit of area equal to the area of a square with sides of 1 mile.
Acre (ac)
An imperial unit of area equal to 4,840 square yards or 43,560 square feet.
Square Miles to Acres Conversion Table
| Square Miles (mi²) | Acres (ac) |
|---|---|
| 1 | 639.99943 |
| 2 | 1279.99887 |
| 5 | 3199.99717 |
| 10 | 6399.99434 |
| 20 | 12799.98868 |
| 50 | 31999.97171 |
| 100 | 63999.94341 |
| 250 | 159999.85853 |
| 500 | 319999.71706 |
| 1000 | 639999.43413 |
How to Convert Square Miles to Acres
Conversion factor:
1 mi² = 639.99943 ac
Inverse factor:
1 ac = 0.00156 mi²
Example
Convert 15 mi² To ac:
ac = mi² × 639.99943
ac = 15 × 639.99943
ac = 9599.99151
= 9599.99151 ac
All conversions from Square Miles (mi²)
- 1 mi² = 2589988110000 mm²
- 1 mi² = 25899881100 cm²
- 1 mi² = 2589988.11 m²
- 1 mi² = 258.99881 ha
- 1 mi² = 2.58999 km²
- 1 mi² = 4014489599.4792 in²
- 1 mi² = 3097601.33329 yd²
- 1 mi² = 27878411.99961 ft²
- 1 mi² = 639.99943 ac