# Convert Acres to Hectares

Enter the area in acres below to get the value converted to hectares.

**Results in Hectares:**

## How to Convert Acres to Hectares

To convert a acre measurement to a hectare measurement, multiply the area by the conversion ratio. One acre is equal to 0.404686 hectares, so use this simple formula to convert:

The area in hectares is equal to the acres multiplied by 0.404686.

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

Acres and hectares are both units used to measure area. Keep reading to learn more about each unit of measure.

## 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. 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.

## 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.

## Acre Measurements and Equivalent Hectare Conversions

Acres | Hectares |
---|---|

1 ac | 0.404686 ha |

2 ac | 0.809371 ha |

3 ac | 1.2141 ha |

4 ac | 1.6187 ha |

5 ac | 2.0234 ha |

6 ac | 2.4281 ha |

7 ac | 2.8328 ha |

8 ac | 3.2375 ha |

9 ac | 3.6422 ha |

10 ac | 4.0469 ha |

11 ac | 4.4515 ha |

12 ac | 4.8562 ha |

13 ac | 5.2609 ha |

14 ac | 5.6656 ha |

15 ac | 6.0703 ha |

16 ac | 6.475 ha |

17 ac | 6.8797 ha |

18 ac | 7.2843 ha |

19 ac | 7.689 ha |

20 ac | 8.0937 ha |

21 ac | 8.4984 ha |

22 ac | 8.9031 ha |

23 ac | 9.3078 ha |

24 ac | 9.7125 ha |

25 ac | 10.12 ha |

26 ac | 10.52 ha |

27 ac | 10.93 ha |

28 ac | 11.33 ha |

29 ac | 11.74 ha |

30 ac | 12.14 ha |

31 ac | 12.55 ha |

32 ac | 12.95 ha |

33 ac | 13.35 ha |

34 ac | 13.76 ha |

35 ac | 14.16 ha |

36 ac | 14.57 ha |

37 ac | 14.97 ha |

38 ac | 15.38 ha |

39 ac | 15.78 ha |

40 ac | 16.19 ha |

## More Acre Area Conversions

**US Customary**

- Convert to Square Miles
- 1 ac is equal to 0.001563 square miles
- Convert to Square Yards
- 1 ac is equal to 4,840 square yards
- Convert to Square Feet
- 1 ac is equal to 43,560 square feet
- Convert to Square Inches
- 1 ac is equal to 6,272,640 square inches

**SI Units**

- Convert to Square Kilometers
- 1 ac is equal to 0.004047 square kilometers
- Convert to Square Meters
- 1 ac is equal to 4,046.86 square meters
- Convert to Square Centimeters
- 1 ac is equal to 40,468,564.2 square centimeters
- Convert to Square Millimeters
- 1 ac is equal to 4,046,856,422.4 square millimeters

**Other Metric Units**

- Convert to Ares
- 1 ac is equal to 40.468564 ares