Unit Converter
Square Miles to Acres Converter
Convert square miles (mi2) to acres (acres) instantly in your browser. 1 square mile = 640 acres.
How to convert square miles to acres
Use the converter above, or multiply the square miles value by 640. The formula is:
acres = mi2 × 640
Square Miles to Acres conversion table
| Square Miles (mi2) | Acres (acres) |
|---|---|
| 1 | 640 |
| 2 | 1280 |
| 5 | 3200 |
| 10 | 6400 |
| 20 | 12800 |
| 50 | 32000 |
| 100 | 64000 |
Common questions
How many acres in 1 square mile? 1 square mile = 640 acres.
How many square miles in 1 acre? 1 acre = 0.001563 square miles.
Is this converter accurate? It uses standard conversion factors and works entirely in your browser. For engineering/medical/financial decisions, verify with a trusted source.