Square Kilometers and Acres Converter
Use this calculator to convert square kilometers (km²) to acres (ac) and acres to square kilometers. This converter is part of the full area converter tool.
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Converting acres and square kilometers
In the conversion tables below, figures are rounded to a maximum of 5 decimal places (7 with smaller numbers) to give approximations.
|1 acre||0.00405 square kilometers|
|2 acres||0.00809 square kilometers|
|3 acres||0.01214 square kilometers|
|4 acres||0.01619 square kilometers|
|5 acres||0.02023 square kilometers|
|6 acres||0.02428 square kilometers|
|7 acres||0.02833 square kilometers|
|8 acres||0.03237 square kilometers|
|9 acres||0.03642 square kilometers|
|10 acres||0.04047 square kilometers|
|11 acres||0.04452 square kilometers|
|12 acres||0.04856 square kilometers|
|13 acres||0.05261 square kilometers|
|14 acres||0.05666 square kilometers|
|15 acres||0.0607 square kilometers|
|16 acres||0.06475 square kilometers|
|17 acres||0.0688 square kilometers|
|18 acres||0.07284 square kilometers|
|19 acres||0.07689 square kilometers|
|20 acres||0.08094 square kilometers|
|1 square kilometer||247.10538 acres|
|2 square kilometers||494.21076 acres|
|3 square kilometers||741.31614 acres|
|4 square kilometers||988.42153 acres|
|5 square kilometers||1235.52691 acres|
|6 square kilometers||1482.63229 acres|
|7 square kilometers||1729.73767 acres|
|8 square kilometers||1976.84305 acres|
|9 square kilometers||2223.94843 acres|
|10 square kilometers||2471.05381 acres|
|11 square kilometers||2718.1592 acres|
|12 square kilometers||2965.26458 acres|
|13 square kilometers||3212.36996 acres|
|14 square kilometers||3459.47534 acres|
|15 square kilometers||3706.58072 acres|
|16 square kilometers||3953.6861 acres|
|17 square kilometers||4200.79148 acres|
|18 square kilometers||4447.89687 acres|
|19 square kilometers||4695.00225 acres|
|20 square kilometers||4942.10763 acres|
How many square kilometers are there in 1 acre?
There are 0.0040468564224 square kilometers in 1 acre. To convert from acres to square kilometers, multiply your figure by 0.0040468564224 (or divide by 247.10538146717) .
How many acres are there in 1 square kilometer?
There are 247.10538146717 acres in 1 square kilometer. To convert from square kilometers to acres, multiply your figure by 247.10538146717 (or divide by 0.0040468564224) .
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 individual area converters
Ares and Acres, Cents and Acres, Hectares and Acres, Square Centimeters and Acres, Square Feet and Acres, Square Inches and Acres, Square Kilometers and Acres, Square Kilometers and Cents, Square Kilometers and Hectares, Square Kilometers and Square Centimeters, Square Kilometers and Square Dekameters, Square Kilometers and Square Feet, Square Kilometers and Square Hectometers, Square Meters and Acres, Square Meters and Square Kilometers, Square Miles and Acres, Square Miles and Square Kilometers, Square Rods and Acres, Square Yards and Acres,