Convert square kilometers to acres
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 approximately equal to 0.3861 square miles.
Acre (ac)
The acre is an imperial and US customary systems unit of area, defined as the area of a rectangle with sides of 66 and 660 feet. It is approximately equal to 0.4047 hectares.
Browse related converters
Square kilometers to Square meters Square kilometers to Square miles Square kilometers to Square yards Square kilometers to Square feet Square kilometers to Square inches Square kilometers to Hectares