# Convert Hectares to Square Miles

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

**Results in Square Miles:**

## How to Convert Hectares to Square Miles

To convert a hectare measurement to a square mile measurement, multiply the area by the conversion ratio. One hectare is equal to 0.003861 square miles, so use this simple formula to convert:

The area in square miles is equal to the hectares multiplied by 0.003861.

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

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

## Hectares

One hectare is equal to 10,000 square meters, or the area of a square with 100 meter sides.

The hectare is an SI accepted unit for area for use with the metric system. In the metric system, "hecto" is the prefix for 10^{2}. Hectares can be abbreviated as *ha*, for example 1 hectare can be written as 1 ha.

## Square Miles

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

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.

## Hectare Measurements and Equivalent Square Mile Conversions

Hectares | Square Miles |
---|---|

1 ha | 0.003861 sq mi |

2 ha | 0.007722 sq mi |

3 ha | 0.011583 sq mi |

4 ha | 0.015444 sq mi |

5 ha | 0.019305 sq mi |

6 ha | 0.023166 sq mi |

7 ha | 0.027027 sq mi |

8 ha | 0.030888 sq mi |

9 ha | 0.034749 sq mi |

10 ha | 0.03861 sq mi |

11 ha | 0.042471 sq mi |

12 ha | 0.046332 sq mi |

13 ha | 0.050193 sq mi |

14 ha | 0.054054 sq mi |

15 ha | 0.057915 sq mi |

16 ha | 0.061776 sq mi |

17 ha | 0.065637 sq mi |

18 ha | 0.069498 sq mi |

19 ha | 0.073359 sq mi |

20 ha | 0.07722 sq mi |

21 ha | 0.081081 sq mi |

22 ha | 0.084942 sq mi |

23 ha | 0.088803 sq mi |

24 ha | 0.092665 sq mi |

25 ha | 0.096526 sq mi |

26 ha | 0.100387 sq mi |

27 ha | 0.104248 sq mi |

28 ha | 0.108109 sq mi |

29 ha | 0.11197 sq mi |

30 ha | 0.115831 sq mi |

31 ha | 0.119692 sq mi |

32 ha | 0.123553 sq mi |

33 ha | 0.127414 sq mi |

34 ha | 0.131275 sq mi |

35 ha | 0.135136 sq mi |

36 ha | 0.138997 sq mi |

37 ha | 0.142858 sq mi |

38 ha | 0.146719 sq mi |

39 ha | 0.15058 sq mi |

40 ha | 0.154441 sq mi |

## More Hectare Area Conversions

**US Customary**

- Convert to Acres
- 1 ha is equal to 2.471054 acres
- Convert to Square Yards
- 1 ha is equal to 11,959.9 square yards
- Convert to Square Feet
- 1 ha is equal to 107,639.1 square feet
- Convert to Square Inches
- 1 ha is equal to 15,500,031 square inches

**SI Units**

- Convert to Square Kilometers
- 1 ha is equal to 0.01 square kilometers
- Convert to Square Meters
- 1 ha is equal to 10,000 square meters
- Convert to Square Centimeters
- 1 ha is equal to 100,000,000 square centimeters
- Convert to Square Millimeters
- 1 ha is equal to 10,000,000,000 square millimeters

**Other Metric Units**

- Convert to Ares
- 1 ha is equal to 100 ares