Convert square kilometers to acres
Enter a square kilometers value below and convert to acres
km²
1 square kilometer ≈
247.1054 acres
* rounded result
Select how many decimal places the result will be rounded to:
How to convert square kilometers to acres
To convert square kilometers to acres, divide a square kilometers value by 0.0040468564224.
Formula ac = km² / 0.0040468564224
Example: Convert 0.5 square kilometers to acres Calculations: 0.5 km² / 0.0040468564224 ≈ 123.553 ac
Square kilometer (km²)
The square kilometer is a unit of area in the metric system, defined as the area of a square with sides of 1 kilometer. It is equal to about 0.3861 square miles.
Acre (ac)
The acre is the imperial system's unit of area, defined as the area of a rectangle with sides of 66 and 660 feet. It is equal to about 0.4047 hectares.