Acre

:This article is about the unit of measure known as the acre. For other definitions, see Acre (disambiguation).

Conversion

An international acre is equivalent to exactly:

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• 4 046.856 422 4 m² (SI unit)
• 40.468 564 224 a,
• 0.404 685 642 24 ha,
• 43 560 square feet,
• 4840 square yards,
• 160 square rods,
• 4 rood,
• 1/640 square mile,
• a 10:1 rectangle of 1 furlong by 1 chain.

An acre is equivalent to approximately:

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• a square of side 208.71 feet (63.61 metres).

One square mile is 640 acres. A square parcel of land ¼ mile wide is 40 acres. A square parcel of land ½ mile on a side is 160 acres, the usual land tract under the Homestead Act in the United States. This results in common field lengths of ½ mile, with every rod in width equal to one acre.

Related Topics:
Square mile - Homestead Act - United States - Rod

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