Acres to Square miles
1 acre ≈ 0.001563 mi². Edit either value to convert instantly.
Conversion formula
mi² = acre × (4,046.8564224) × (15,625 / 4.0468564224 × 10¹⁰)1 acre = 0.0015625 mi²
acre (acre)
An international acre is exactly 43,560 square international feet, or 4,046.8564224 m²; old US survey acres differ slightly.
Source: NIST — Revised Unit Conversion Factors for the international foot
square mile (mi²)
One square mile equals exactly 2,589,988.110336 m².
Source: NIST — Revised Unit Conversion Factors for the international foot
Conversion table
| acre | mi² |
|---|---|
| = 0.0015625 | |
| = 0.003125 | |
| = 0.0078125 | |
| = 0.015625 | |
| = 0.0234375 | |
| = 0.03125 | |
| = 0.0390625 | |
| = 0.046875 | |
| = 0.0625 | |
| = 0.0703125 |
| acre | mi² |
|---|---|
| = 0.078125 | |
| = 0.09375 | |
| = 0.109375 | |
| = 0.125 | |
| = 0.140625 | |
| = 0.15625 | |
| = 0.234375 | |
| = 0.25 | |
| = 0.265625 | |
| = 0.28125 |
Frequently asked questions
How many square miles are in 1 acre?
1 acre ≈ 0.001563 mi². mi² = acre × (4,046.8564224) × (15,625 / 4.0468564224 × 10¹⁰)
How do I convert acre to mi²?
mi² = acre × (4,046.8564224) × (15,625 / 4.0468564224 × 10¹⁰)
Is 1 acre bigger than 1 square mile?
1 acre ≈ 0.001563 mi².
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