# Are Conversion Calculator

Enter a value in ares below to convert to another unit of area.

**Results:**

## What is an Are?

An are is a unit used to measure area.

The are is a non-SI metric unit for area. Ares can be abbreviated as *a*; for example, 1 are can be written as 1 a.

### Background and Origin

The are was originally a unit of area in the metric system and was originally used as a land measurement. The hectare is more commonly used in land measures due to it's more convenient proportions, but the are is still used in real estate and land measurements throughout the world. When the International System of Units was ratified the are was not included as a unit, even though it is derived from SI units.

You might also be interested in our area calculator.

## How Much is an Are?

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

## How to Convert Ares

To convert ares to another unit of area, you need to multiply the value by a conversion factor.
A conversion factor is a numerical value used to change the units of a measurement without changing the value.^{[1]}

You can find the conversion factors for ares in the conversion table below.

Then, multiply the area measurement by the conversion factor to find the equivalent value in the desired unit of measurement.

ares × conversion factor = result

You can also use a calculator, such as one of the converters below, for the conversion.

## Are Conversion Table

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

1 a | 0.00003861 sq mi | 0.024711 ac | 119.599005 sq yd | 1,076 sq ft | 155,000 sq in | 0.0001 sq km | 100 sq m | 1,000,000 sq cm | 100,000,000 sq mm | 0.01 ha |

2 a | 0.00007722 sq mi | 0.049421 ac | 239.198009 sq yd | 2,153 sq ft | 310,001 sq in | 0.0002 sq km | 200 sq m | 2,000,000 sq cm | 200,000,000 sq mm | 0.02 ha |

3 a | 0.000116 sq mi | 0.074132 ac | 358.797014 sq yd | 3,229 sq ft | 465,001 sq in | 0.0003 sq km | 300 sq m | 3,000,000 sq cm | 300,000,000 sq mm | 0.03 ha |

4 a | 0.000154 sq mi | 0.098842 ac | 478.396019 sq yd | 4,306 sq ft | 620,001 sq in | 0.0004 sq km | 400 sq m | 4,000,000 sq cm | 400,000,000 sq mm | 0.04 ha |

5 a | 0.000193 sq mi | 0.123553 ac | 597.995023 sq yd | 5,382 sq ft | 775,002 sq in | 0.0005 sq km | 500 sq m | 5,000,000 sq cm | 500,000,000 sq mm | 0.05 ha |

6 a | 0.000232 sq mi | 0.148263 ac | 717.594028 sq yd | 6,458 sq ft | 930,002 sq in | 0.0006 sq km | 600 sq m | 6,000,000 sq cm | 600,000,000 sq mm | 0.06 ha |

7 a | 0.00027 sq mi | 0.172974 ac | 837.193032 sq yd | 7,535 sq ft | 1,085,002 sq in | 0.0007 sq km | 700 sq m | 7,000,000 sq cm | 700,000,000 sq mm | 0.07 ha |

8 a | 0.000309 sq mi | 0.197684 ac | 956.792037 sq yd | 8,611 sq ft | 1,240,002 sq in | 0.0008 sq km | 800 sq m | 8,000,000 sq cm | 800,000,000 sq mm | 0.08 ha |

9 a | 0.000347 sq mi | 0.222395 ac | 1,076 sq yd | 9,688 sq ft | 1,395,003 sq in | 0.0009 sq km | 900 sq m | 9,000,000 sq cm | 900,000,000 sq mm | 0.09 ha |

10 a | 0.000386 sq mi | 0.247105 ac | 1,196 sq yd | 10,764 sq ft | 1,550,003 sq in | 0.001 sq km | 1,000 sq m | 10,000,000 sq cm | 1,000,000,000 sq mm | 0.1 ha |

11 a | 0.000425 sq mi | 0.271816 ac | 1,316 sq yd | 11,840 sq ft | 1,705,003 sq in | 0.0011 sq km | 1,100 sq m | 11,000,000 sq cm | 1,100,000,000 sq mm | 0.11 ha |

12 a | 0.000463 sq mi | 0.296526 ac | 1,435 sq yd | 12,917 sq ft | 1,860,004 sq in | 0.0012 sq km | 1,200 sq m | 12,000,000 sq cm | 1,200,000,000 sq mm | 0.12 ha |

13 a | 0.000502 sq mi | 0.321237 ac | 1,555 sq yd | 13,993 sq ft | 2,015,004 sq in | 0.0013 sq km | 1,300 sq m | 13,000,000 sq cm | 1,300,000,000 sq mm | 0.13 ha |

14 a | 0.000541 sq mi | 0.345948 ac | 1,674 sq yd | 15,069 sq ft | 2,170,004 sq in | 0.0014 sq km | 1,400 sq m | 14,000,000 sq cm | 1,400,000,000 sq mm | 0.14 ha |

15 a | 0.000579 sq mi | 0.370658 ac | 1,794 sq yd | 16,146 sq ft | 2,325,005 sq in | 0.0015 sq km | 1,500 sq m | 15,000,000 sq cm | 1,500,000,000 sq mm | 0.15 ha |

16 a | 0.000618 sq mi | 0.395369 ac | 1,914 sq yd | 17,222 sq ft | 2,480,005 sq in | 0.0016 sq km | 1,600 sq m | 16,000,000 sq cm | 1,600,000,000 sq mm | 0.16 ha |

17 a | 0.000656 sq mi | 0.420079 ac | 2,033 sq yd | 18,299 sq ft | 2,635,005 sq in | 0.0017 sq km | 1,700 sq m | 17,000,000 sq cm | 1,700,000,000 sq mm | 0.17 ha |

18 a | 0.000695 sq mi | 0.44479 ac | 2,153 sq yd | 19,375 sq ft | 2,790,006 sq in | 0.0018 sq km | 1,800 sq m | 18,000,000 sq cm | 1,800,000,000 sq mm | 0.18 ha |

19 a | 0.000734 sq mi | 0.4695 ac | 2,272 sq yd | 20,451 sq ft | 2,945,006 sq in | 0.0019 sq km | 1,900 sq m | 19,000,000 sq cm | 1,900,000,000 sq mm | 0.19 ha |

20 a | 0.000772 sq mi | 0.494211 ac | 2,392 sq yd | 21,528 sq ft | 3,100,006 sq in | 0.002 sq km | 2,000 sq m | 20,000,000 sq cm | 2,000,000,000 sq mm | 0.2 ha |

## Are Conversion Calculators

You can also convert area using one of our are converters below.

**US Customary**

**SI Units**

**Other Metric Units**

You might also like our other measurement calculators.

## References

- National Institute of Standards & Technology, Unit Conversion, https://www.nist.gov/pml/owm/metric-si/unit-conversion