ac

What is a Acre?

Area Unit

Definition

An acre is a unit of area equal to 43,560 square feet or approximately 4,047 square meters (0.4047 hectares).

Popular Acre Conversions

Most common conversions from Acres

1 ac = 4,046.86 m² Acre to Square Meters 1 ac = 0.0040468564 km² Acre to Square Kilometers 1 ac = 40,468,564.22 cm² Acre to Square Centimeters 1 ac = 4,046,856,422.4 mm² Acre to Square Millimeters 1 ac = 0.404686 ha Acre to Hectares 1 ac = 0.0015625 mi² Acre to Square Miles

History

The acre originated in medieval England as the amount of land a yoke of oxen could plow in one day. It was standardized in 1878.

Common Uses

Real estate and property sales
Agricultural land in US and UK
Golf course measurements
Park and forest areas

Fun Facts

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An American football field is about 1.32 acres

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The Pentagon has about 29 acres of floor space

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An acre is about 90% of an American football field

All Acre Conversions

Acres to Square Meters ac → m² Acres to Square Kilometers ac → km² Acres to Square Centimeters ac → cm² Acres to Square Millimeters ac → mm² Acres to Hectares ac → ha Acres to Square Miles ac → mi² Acres to Square Yards ac → yd² Acres to Square Feet ac → ft² Acres to Square Inches ac → in²