# Square Kilometers to Acres Conversion

Enter the area in square kilometers below to get the value converted to acres.

**Results in Acres:**

## How to Convert Square Kilometers to Acres

To convert a square kilometer measurement to an acre measurement, multiply the area by the conversion ratio.

Since one square kilometer is equal to 247.105381 acres, you can use this simple formula to convert:

The area in acres is equal to the square kilometers multiplied by 247.105381.

**For example,**here's how to convert 5 square kilometers to acres using the formula above.

Square kilometers and acres are both units used to measure area. Keep reading to learn more about each unit of measure.

## Square Kilometers

One square kilometer is equal to the area of a square with sides that are 1 kilometer in length.

The square kilometer, or square kilometre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "kilo" is the prefix for 10^{3}. A square kilometer is sometimes also referred to as a square km. Square kilometers can be abbreviated as *sq km*, and are also sometimes abbreviated as *km²*. For example, 1 square kilometer can be written as 1 sq km or 1 km².

## Acres

One acre is defined as the area equal to a space that is one chain (66 ft) by one furlong (660 ft), or 10 square chains.^{[1]} That's equal to 43,560 square feet for those unfamiliar with those units of measure.

The acre is a US customary and imperial unit of area. Acres can be abbreviated as *ac*; for example, 1 acre can be written as 1 ac.

Try our acreage calculator to find the area of a plot of land in acres by locating the boundaries on a map.

## Square Kilometer to Acre Conversion Table

Square Kilometers | Acres |
---|---|

1 sq km | 247.11 ac |

2 sq km | 494.21 ac |

3 sq km | 741.32 ac |

4 sq km | 988.42 ac |

5 sq km | 1,236 ac |

6 sq km | 1,483 ac |

7 sq km | 1,730 ac |

8 sq km | 1,977 ac |

9 sq km | 2,224 ac |

10 sq km | 2,471 ac |

11 sq km | 2,718 ac |

12 sq km | 2,965 ac |

13 sq km | 3,212 ac |

14 sq km | 3,459 ac |

15 sq km | 3,707 ac |

16 sq km | 3,954 ac |

17 sq km | 4,201 ac |

18 sq km | 4,448 ac |

19 sq km | 4,695 ac |

20 sq km | 4,942 ac |

21 sq km | 5,189 ac |

22 sq km | 5,436 ac |

23 sq km | 5,683 ac |

24 sq km | 5,931 ac |

25 sq km | 6,178 ac |

26 sq km | 6,425 ac |

27 sq km | 6,672 ac |

28 sq km | 6,919 ac |

29 sq km | 7,166 ac |

30 sq km | 7,413 ac |

31 sq km | 7,660 ac |

32 sq km | 7,907 ac |

33 sq km | 8,154 ac |

34 sq km | 8,402 ac |

35 sq km | 8,649 ac |

36 sq km | 8,896 ac |

37 sq km | 9,143 ac |

38 sq km | 9,390 ac |

39 sq km | 9,637 ac |

40 sq km | 9,884 ac |

## References

- National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf