Acre to Square Mile Converter
Convert acres to square miles (acre to mi²) instantly with our free online converter. Accurate area conversion results for land measurement.
How to convert acres to square miles?
To convert acres to square miles, you can use the following conversion factor: **1 mi² = 640 acre**. Simply multiply by 0.0015625 to get the equivalent area in square miles.
A(mi²) = A(acre) × 0.0015625
Example
Convert 100 acre to square miles:
A(mi²) = 100acre × 0.0015625 = 0.15625mi²
How many square miles in a acre?
1 acre = 0.0015625 mi²
1 acre = 0.0015625 mi²
How many acres in a square mile?
1 mi² = 640 acre
1 mi² = 640 acre
What is a Acre?
An acre is a unit of area commonly used in the United States, United Kingdom, and other countries that historically used imperial units. It is equal to 43,560 square feet or approximately 4,047 square meters. Acres are primarily used for measuring land, especially in agriculture and real estate.
What is a Square Mile?
A square mile (mi²) is a unit of area in the imperial system equal to the area of a square with sides of one mile. It equals 640 acres or approximately 2.59 square kilometers. Square miles are commonly used to measure large land areas, particularly in the United States.
Popular acre to square mile conversion table
| Acres (acre) | Square Miles (mi²) |
|---|---|
| 0.01 acre | 0.000016 mi² |
| 0.1 acre | 0.000156 mi² |
| 1 acre | 0.001563 mi² |
| 2 acre | 0.003125 mi² |
| 5 acre | 0.007813 mi² |
| 10 acre | 0.015625 mi² |
| 20 acre | 0.03125 mi² |
| 50 acre | 0.078125 mi² |
| 100 acre | 0.15625 mi² |
| 250 acre | 0.390625 mi² |
| 500 acre | 0.78125 mi² |
| 750 acre | 1.171875 mi² |
| 1,000 acre | 1.5625 mi² |
| 2,500 acre | 3.90625 mi² |
| 5,000 acre | 7.8125 mi² |
| 10,000 acre | 15.625 mi² |
| 25,000 acre | 39.0625 mi² |
| 50,000 acre | 78.125 mi² |
| 75,000 acre | 117.1875 mi² |
| 100,000 acre | 156.25 mi² |