# Square Kilometers to Square Miles Converter

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

**Results in Square Miles:**

Do you want to convert square miles to square kilometers?

## How to Convert Square Kilometers to Square Miles

To convert a measurement in square kilometers to a measurement in square miles, multiply the area by the following conversion ratio: 0.386102 square miles/square kilometer.

Since one square kilometer is equal to 0.386102 square miles, you can use this simple formula to convert:

The area in square miles is equal to the area in square kilometers multiplied by 0.386102.

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

### How Many Square Miles Are in a Square Kilometer?

There are **0.386102** square miles in a square kilometer, which is why we use this value in the formula above.

1 sq km = 0.386102 sq mi

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

## What is a Square Kilometer?

One square kilometer is equivalent to the area of a square with sides that are each 1 kilometer in length. One square kilometer is equal to 0.386102 square miles or 1,000,000 square meters.

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 thousands, or 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.

Learn more about square kilometers.

## What is a Square Mile?

One square mile is equal to the area of a square with sides that are each 1 mile long. One square mile is roughly equal to 2.59 square kilometers or 640 acres.

The square mile is a US customary and imperial unit of area. Square miles can be abbreviated as *sq mi*, and are also sometimes abbreviated as *mi²*. For example, 1 square mile can be written as 1 sq mi or 1 mi².

Learn more about square miles.

## Square Kilometer to Square Mile Conversion Table

Square Kilometers | Square Miles |
---|---|

1 sq km | 0.386102 sq mi |

2 sq km | 0.772204 sq mi |

3 sq km | 1.1583 sq mi |

4 sq km | 1.5444 sq mi |

5 sq km | 1.9305 sq mi |

6 sq km | 2.3166 sq mi |

7 sq km | 2.7027 sq mi |

8 sq km | 3.0888 sq mi |

9 sq km | 3.4749 sq mi |

10 sq km | 3.861 sq mi |

11 sq km | 4.2471 sq mi |

12 sq km | 4.6332 sq mi |

13 sq km | 5.0193 sq mi |

14 sq km | 5.4054 sq mi |

15 sq km | 5.7915 sq mi |

16 sq km | 6.1776 sq mi |

17 sq km | 6.5637 sq mi |

18 sq km | 6.9498 sq mi |

19 sq km | 7.3359 sq mi |

20 sq km | 7.722 sq mi |

21 sq km | 8.1081 sq mi |

22 sq km | 8.4942 sq mi |

23 sq km | 8.8804 sq mi |

24 sq km | 9.2665 sq mi |

25 sq km | 9.6526 sq mi |

26 sq km | 10.04 sq mi |

27 sq km | 10.42 sq mi |

28 sq km | 10.81 sq mi |

29 sq km | 11.2 sq mi |

30 sq km | 11.58 sq mi |

31 sq km | 11.97 sq mi |

32 sq km | 12.36 sq mi |

33 sq km | 12.74 sq mi |

34 sq km | 13.13 sq mi |

35 sq km | 13.51 sq mi |

36 sq km | 13.9 sq mi |

37 sq km | 14.29 sq mi |

38 sq km | 14.67 sq mi |

39 sq km | 15.06 sq mi |

40 sq km | 15.44 sq mi |

## More Square Kilometer & Square Mile Conversions

- square kilometers to acres
- square kilometers to square yards
- square kilometers to square feet
- square kilometers to square inches
- square kilometers to square meters
- square kilometers to square centimeters
- square kilometers to square millimeters
- square kilometers to hectares
- square kilometers to ares
- acres to square miles
- square yards to square miles
- square feet to square miles
- square inches to square miles
- square meters to square miles
- square centimeters to square miles
- square millimeters to square miles
- hectares to square miles
- ares to square miles