In 1 square kilometer there are 247.105381 acres. Meanwhile in 1 acres there are 0.004047 square kilometer. Keep reading to learn more about each unit of measure and how they are calculated. Or just use the Acres to Square kilometer calculator above to convert any number.
* Values rounded to 6 decimal places for readability
To convert square kilometers (km²) to acres, use a simple multiplication.
Example:
This square kilometer to acres conversion works well for large land areas like parks, towns, and regions.
1 square kilometer equals 247.105381 acres. This number comes from the fixed size of each unit.
Use this simple rule:
Example:
2 sq km × 247.105381 = 494.210762 acres
Use the reverse formula:
Example:
500 acres ÷ 247.105381 = 2.023430 sq km (rounded)
A square kilometer is a metric unit based on meters. An acre is a land unit based on square feet and yards. Since they come from different systems, the conversion uses a set factor: 1 sq km = 247.105381 acres.
Yes. A square kilometer is much larger.
0.5 square kilometers equals 123.5526905 acres.
Calculation: 0.5 × 247.105381 = 123.5526905
10 square kilometers equals 2,471.05381 acres.
Calculation: 10 × 247.105381 = 2,471.05381
Multiply the square kilometers by 247.105381.
For quick mental math, you can use 247.1 for a close estimate, then round your final number.
Rounding depends on your use:
Both measure area, just in different unit systems.
The Calculate Box tool to convert square kilometer to acres uses the open source script Convert.js to convert units of measurement. To use this tool, simply type a square kilometer value in the box and have it instantly converted to acres.