# Convert Hectares to Square Millimeters

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

**Results in Square Millimeters:**

## How to Convert Hectares to Square Millimeters

To convert a hectare measurement to a square millimeter measurement, multiply the area by the conversion ratio. One hectare is equal to 10,000,000,000 square millimeters, so use this simple formula to convert:

The area in square millimeters is equal to the hectares multiplied by 10,000,000,000.

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

Hectares and square millimeters 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 Millimeters

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

The square millimeter, or square millimetre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "milli" is the prefix for 10^{-3}. A square millimeter is sometimes also referred to as a square mm. Square millimeters can be abbreviated as *sq mm*, and are also sometimes abbreviated as *mm²*. For example, 1 square millimeter can be written as 1 sq mm or 1 mm².

## Hectare Measurements and Equivalent Square Millimeter Conversions

Hectares | Square Millimeters |
---|---|

1 ha | 10,000,000,000 sq mm |

2 ha | 20,000,000,000 sq mm |

3 ha | 30,000,000,000 sq mm |

4 ha | 40,000,000,000 sq mm |

5 ha | 50,000,000,000 sq mm |

6 ha | 60,000,000,000 sq mm |

7 ha | 70,000,000,000 sq mm |

8 ha | 80,000,000,000 sq mm |

9 ha | 90,000,000,000 sq mm |

10 ha | 100,000,000,000 sq mm |

11 ha | 110,000,000,000 sq mm |

12 ha | 120,000,000,000 sq mm |

13 ha | 130,000,000,000 sq mm |

14 ha | 140,000,000,000 sq mm |

15 ha | 150,000,000,000 sq mm |

16 ha | 160,000,000,000 sq mm |

17 ha | 170,000,000,000 sq mm |

18 ha | 180,000,000,000 sq mm |

19 ha | 190,000,000,000 sq mm |

20 ha | 200,000,000,000 sq mm |

21 ha | 210,000,000,000 sq mm |

22 ha | 220,000,000,000 sq mm |

23 ha | 230,000,000,000 sq mm |

24 ha | 240,000,000,000 sq mm |

25 ha | 250,000,000,000 sq mm |

26 ha | 260,000,000,000 sq mm |

27 ha | 270,000,000,000 sq mm |

28 ha | 280,000,000,000 sq mm |

29 ha | 290,000,000,000 sq mm |

30 ha | 300,000,000,000 sq mm |

31 ha | 310,000,000,000 sq mm |

32 ha | 320,000,000,000 sq mm |

33 ha | 330,000,000,000 sq mm |

34 ha | 340,000,000,000 sq mm |

35 ha | 350,000,000,000 sq mm |

36 ha | 360,000,000,000 sq mm |

37 ha | 370,000,000,000 sq mm |

38 ha | 380,000,000,000 sq mm |

39 ha | 390,000,000,000 sq mm |

40 ha | 400,000,000,000 sq mm |

## More Hectare Area Conversions

**US Customary**

- Convert to Square Miles
- 1 ha is equal to 0.003861 square miles
- 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

**Other Metric Units**

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