Square Kilometers - Acres Conversion
Convert between square kilometers and acres (km2 and ac) using this area conversion tool. This converter is part of the full area converter. Simply choose whether you want to convert square kilometers to acres or acres to square kilometers, enter a value and click the 'convert' button. Default rounding is set to a maximum of 14 decimal places.
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How to convert acres to square kilometers
You may be wondering how many square kilometers there are in x acres.
To convert from acres to square kilometers multiply your x figure by 0.0040468564224.
How to convert square kilometers to acres
Alternatively, you may want to know how many acres there are in x square kilometers.
To convert from square kilometers to acres multiply your x figure by 247.10538146717.
As part of your answer checking process, select the appropriate unit from each 'select' box in the converter tool at the top of the page, enter your figure (x) into the 'value to convert' box and click the 'Convert!' button.
What is an acre?
The acre is a unit of land commonly employed within North America and the Caribbean. It is equal to 4,047 square metres or 43,560 square feet. This measurement is roughly equivalent to 40 per cent of a hectare. Interestingly enough, the acre can trace its roots back to mediaeval times. It was defined as the area that could be ploughed in a single day with the help of an ox. One acre is approximately 76 per cent the size of a football field. Many suburban lots are between one-quarter and one-fifth of an acre in size. You can find out more about acres in the article, how big is an acre?
What is a square kilometer?
One kilometer (or 'kilometre' with British spelling) is equivalent to 1,000 meters. Therefore, a square kilometer can be expressed as one million square meters. This unit of distance and area can be used within landscaping, surveying and aerial photography. One square kilometer is also equal to 100 hectares. The city of Chester in the United Kingdom is roughly one square kilometer in size. The Manchester Golf Club is likewise one square kilometer in total.
Other area converters for square kilometers and acres
Ares and Acres, Cents and Acres, Hectares and Acres, Square Centimeters and Acres, Square Decimeters and Acres, Square Dekameters and Acres, Square Fathoms and Acres, Square Feet and Acres, Square Hectometers and Acres, Square Inches and Acres, Square Kilometers and Acres, Square Kilometers and Ares, Square Kilometers and Cents, Square Kilometers and Hectares, Square Kilometers and Square Centimeters, Square Kilometers and Square Decimeters, Square Kilometers and Square Dekameters, Square Kilometers and Square Fathoms, Square Kilometers and Square Feet, Square Kilometers and Square Hectometers, Square Kilometers and Square Inches, Square Meters and Acres, Square Meters and Square Kilometers, Square Miles and Acres, Square Miles and Square Kilometers, Square Millimeters and Acres, Square Millimeters and Square Kilometers, Square Rods and Acres, Square Rods and Square Kilometers, Square Yards and Acres, Square Yards and Square Kilometers, and more.