| |||

## Area | ||
---|---|---|

## Characteristic | ## acre | ## Notes | ||
---|---|---|---|---|

## Symbol | ac | |||

## Other Name |
international-acre | |||

## Metric (SI) Equivalent | 0.40468564224 hectares | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units |
4046.8564224 meters2 | |||

## Metric (SI) Dimensions |
length2 | |||

## Description in Terms of Other Units and Constants | 4840 yards2 | |||

## Unit Group |

## Characteristic | ## acre-US-survey( Used in the United States for some survey measurements ) |
## Notes | ||
---|---|---|---|---|

## Other Names | ac-US-survey, survey-acre | |||

## Metric (SI) Equivalent | 0.40468726099 hectares |
This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 4046.8726099 meters2 | |||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants | 4840 yards-US-survey2 | |||

## Unit Group |

## Characteristic | ## are | ## Notes | ||
---|---|---|---|---|

## Symbol | a | |||

## Metric (SI) Equivalent | 100 meters2 | This equivalent is exact. | ||

## Metric (SI) Dimensions | length2 |

## Characteristic | ## arpent-area( Quebec survey unit ) | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 0.34188938592 hectares | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units | 3418.8938592 meters2 | |||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants |

## Characteristic | ## barn | ## Notes | ||
---|---|---|---|---|

## Symbol | b | |||

## Metric (SI) Equivalent | This equivalent is exact. | |||

## Metric (SI) Dimensions | length2 |

## Characteristic | ## centare | ## Notes | ||
---|---|---|---|---|

## Symbol | ca | |||

## Other Name | centiare | |||

## Metric (SI) Equivalent |
1 meter2 | This equivalent is exact. | ||

## Metric (SI) Dimensions | length2 |

## Characteristic | ## circular-inch | ## Notes | ||
---|---|---|---|---|

## Symbol | cin | |||

## Other Name | cir-in | |||

## Metric (SI) Equivalent | ||||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants |

## Characteristic | ## circular-mil | ## Notes | ||
---|---|---|---|---|

## Symbol | cmil | |||

## Other Name | cir-mil | |||

## Metric (SI) Equivalent | ||||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants | pi * (mil-length / 2)2 |

## Characteristic | ## hectare | ## Notes | ||
---|---|---|---|---|

## Symbol | ha |
|||

## Other Name | hectoare | |||

## Metric (SI) Equivalent |
hectare is a metric unit | |||

## Another Metric (SI) Equivalent with More Basic Units | 10000 meters2 | This equivalent is exact. | ||

## Metric (SI) Dimensions | length2 |

## Characteristic | ## rood |
## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 0.10117141056 hectares | This equivalent and the one below are calculated from exact values. | ||

## Another Metric (SI) Equivalent with More Basic Units |
1011.7141056 meters2 | |||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants | 40 rods2 |

## Characteristic | ## section | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | This equivalent is calculated from exact values. | |||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants |

## Characteristic | ## shed | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | 1×10-52 meters2 | This equivalent is exact. | ||

## Metric (SI) Dimensions | length2 |

## Characteristic | ## Thomson-cross-section | ## Notes | ||
---|---|---|---|---|

## Symbol | σe | Use "sigma-e" for our conversion calculators. | ||

## Metric (SI) Equivalent | 6.652458734×10-29 meters2 | |||

## Standard Uncertainty | ± 1.3×10-37 meters2 | |||

## Metric (SI) Dimensions | length2 |

## Characteristic | ## township( Used in the United States ) | ## Notes | ||
---|---|---|---|---|

## Metric (SI) Equivalent | This equivalent is calculated from exact values. | |||

## Metric (SI) Dimensions | length2 | |||

## Description in Terms of Other Units and Constants | (6 miles-US-survey)2 |