Square Kilometers to Acres Conversion

How many acres in a square kilometer?

To convert between square kilometers and acres please use the conversion tool below. Enter a square kilometer or an acre value into the converter and the result will be displayed.

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Enter Square Kilometer
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Enter Acre

► acres to square kilometers

► area conversion

Square kilometers to acres (km2 to ac) area units conversion factor is 247.105381. To find out how many acres in square kilometers, multiply by the conversion factor or use the converter.

1 Square Kilometer = 247.105381 Acres

There are 247.105381 acres in a square kilometer, because an acre is defined as an area of 66 feet * 660 feet ( = 4046.86 square meters) and one square kilometer is one million sq. meters (1000 m * 1000 m = 1 000 000 m2), that makes 1 000 000 / 4046.86 = 247.1 acres in a square kilometer.

For example, to find out how many acres there are in a square kilometer and a half, multiply the sq. kilometer value by 247.1, that makes 1.5 km2 * 247.1 = 370.6 acres in 1.5 sq. kilometers.

Square kilometer is a metric system area unit and equals to 247.105 acres, 100 hectares and 0.386 sq. miles. The abbreviation is "km2".

Acre is an imperial and US Customary area unit and equals to 0.404 hectares, 43560 sq. feet and 4046.86 sq. meters. The abbreviation is "ac".

Create Custom Conversion Table
To create your own custom conversion table click "Create Table" botton. To change values, you may enter a "Start" value (1, 2.5, 5 etc), select a an "Increment" value (0.01, 5, 100 etc) and select an "Accuracy" value to round the result.

Sq. Kilometers to Acres Conversion Table

Sq. Kilometer Acre Sq. Kilometer Acre Sq. Kilometer Acre Sq. Kilometer Acre
1 247.11 26 6424.74 51 12602.37 76 18780.01
2 494.21 27 6671.85 52 12849.48 77 19027.11
3 741.32 28 6918.95 53 13096.59 78 19274.22
4 988.42 29 7166.06 54 13343.69 79 19521.33
5 1235.53 30 7413.16 55 13590.80 80 19768.43
6 1482.63 31 7660.27 56 13837.90 81 20015.54
7 1729.74 32 7907.37 57 14085.01 82 20262.64
8 1976.84 33 8154.48 58 14332.11 83 20509.75
9 2223.95 34 8401.58 59 14579.22 84 20756.85
10 2471.05 35 8648.69 60 14826.32 85 21003.96
11 2718.16 36 8895.79 61 15073.43 86 21251.06
12 2965.26 37 9142.90 62 15320.53 87 21498.17
13 3212.37 38 9390.00 63 15567.64 88 21745.27
14 3459.48 39 9637.11 64 15814.74 89 21992.38
15 3706.58 40 9884.22 65 16061.85 90 22239.48
16 3953.69 41 10131.32 66 16308.96 100 24710.54
17 4200.79 42 10378.43 67 16556.06 125 30888.17
18 4447.90 43 10625.53 68 16803.17 150 37065.81
19 4695.00 44 10872.64 69 17050.27 175 43243.44
20 4942.11 45 11119.74 70 17297.38 200 49421.08
21 5189.21 46 11366.85 71 17544.48 250 61776.35
22 5436.32 47 11613.95 72 17791.59 300 74131.61
23 5683.42 48 11861.06 73 18038.69 500 123552.69
24 5930.53 49 12108.16 74 18285.80 750 185329.04
25 6177.63 50 12355.27 75 18532.90 1000 247105.38

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