How to convert acres to square kilometers
One acre is 0.00404686 square kilometers. To convert acres to square kilometers, divide the number of acres by 247.105.
Square kilometers = acres ÷ 247.105
For example, 2 acres is 0.00809371 square kilometers.
Acres to square kilometers conversion table
| Acres | Square kilometers |
|---|---|
| 0.25 | 0.00101171 |
| 0.5 | 0.00202343 |
| 1 | 0.00404686 |
| 2 | 0.00809371 |
| 5 | 0.0202343 |
| 10 | 0.0404686 |
| 100 | 0.404686 |
About these units
The acre is the standard unit for land in the United States. It equals 43,560 square feet.
Square kilometers measure cities, regions and countries in the metric system.
Frequently asked questions
How many square kilometers are in one acre?
One acre is 0.00404686 square kilometers.
How many acres are in one square kilometer?
One square kilometer is 247.105 acres. Use the square kilometers to acres converter to go the other way.
Can I convert to other area units?
Yes. The area converter converts between square feet, square meters, square yards, acres, hectares, square miles and square kilometers.