# 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. One square kilometer is equal to 247.105381 acres, so 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