Acre to square mile converter (ac to mi²)
1 acre = 0.0015625 square mile · 1 square mile = 640 acre
acre to square mile formula
square mile = acre ÷ 640
Worked example
10 acre = 10 ÷ 640 = 0.015625 square mile
Convert a list of values
Paste one value per line (a column from Excel works) · up to 100 lines
acre to square mile conversion table
| acre (ac) | square mile (mi²) |
|---|---|
| 1 ac | 0.0015625 mi² |
| 2 ac | 0.003125 mi² |
| 3 ac | 0.0046875 mi² |
| 4 ac | 0.00625 mi² |
| 5 ac | 0.0078125 mi² |
| 6 ac | 0.009375 mi² |
| 7 ac | 0.0109375 mi² |
| 8 ac | 0.0125 mi² |
| 9 ac | 0.0140625 mi² |
| 10 ac | 0.015625 mi² |
| 15 ac | 0.0234375 mi² |
| 20 ac | 0.03125 mi² |
| 25 ac | 0.0390625 mi² |
| 30 ac | 0.046875 mi² |
| 40 ac | 0.0625 mi² |
| 50 ac | 0.078125 mi² |
| 60 ac | 0.09375 mi² |
| 70 ac | 0.109375 mi² |
| 80 ac | 0.125 mi² |
| 90 ac | 0.140625 mi² |
| 100 ac | 0.15625 mi² |
| 200 ac | 0.3125 mi² |
| 250 ac | 0.390625 mi² |
| 500 ac | 0.78125 mi² |
| 1,000 ac | 1.5625 mi² |
About these units
- acre (ac)
- About 2.53 rai.
FAQ
How many square mile in 1 acre?
1 acre is 0.0015625 square mile.
How many acre in 1 square mile?
1 square mile is 640 acre.
What is the formula to convert acre to square mile?
square mile = acre ÷ 640. For example, 10 acre = 10 ÷ 640 = 0.015625 square mile.
What is 10 acre in square mile?
10 acre = 0.015625 square mile.
Convert acre to other units
acre → square centimetreacre → square metreacre → square kilometreacre → hectareacre → rai (Thai)acre → ngan (Thai)acre → square wa (Thai)acre → square inchacre → square footacre → square yard
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