Square Kilometers to Acres Conversion

Performing a square kilometers to acres conversion helps landowners, real estate agents, and geography students compare land areas measured in metric and imperial units.

Real estate listings and geographical databases may use different measurement systems, so knowing how to convert acres to square kilometers makes it easier to compare parcel sizes across countries.

Keep reading to:

• Learn how to convert between square kilometers and acres;
• Discover how many acres are equal to 1 square kilometer;
• Use a reference table for common conversions; and
• Compare square kilometers and acres using familiar examples.

The square kilometer is a metric unit commonly used to measure large areas, such as cities, regions, and national parks. The acre is a customary and imperial unit commonly used to measure land and property. One square kilometer contains exactly $1,\!000,\!000\text{ square meters}$, while one standard acre equals $4,\!046.8564224\text{ square meters}$.

To convert square kilometers to acres, multiply the area in square kilometers by $247.105$. For example, Central Park covers about $3.41\text{ square kilometers}$. Multiplying $3.41$ by $247.105$ gives approximately $842.62\text{ acres}$.

If you know the dimensions of a piece of land, you can use our acreage calculator to calculate its area in acres.

For the conversion of acres to square kilometers, multiply the area in acres by $0.00404686$. For example, an area of $10,\!000\text{ acres}$ is equivalent to approximately $40.4686\text{ square kilometers}$.

If you need to convert between hectares and acres instead, try our hectares to acres converter.

The table below shows common square kilometer values and their equivalent areas in acres. Use it as a quick reference when you need to compare land areas without performing the calculation yourself.

The conversion is linear, so doubling the area in square kilometers also doubles the area in acres. To convert acres to square kilometers, divide the area in acres by $247.105$, or multiply it by $0.00404686$.

Our converter uses the standard conversion factor to calculate land areas in either direction:

1. Enter a value. Input an area in square kilometers or acres.
2. Get the result. The converter instantly displays the equivalent area in the other unit.
3. That’s it! Your converted area is ready to use.

If you need to convert between other area units, such as square meters, square feet, or square yards, try our area converter.