Convert square mile [mi^2] to acre (US survey) [ac] Online | Free area Converter

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Square Mile [mi²]


A square mile (mi²) is a unit of area used primarily in the United States and the UK to measure large land areas. It represents a square that is one mile long on each side.

1 square mile = 2.59 square kilometers = 640 acres.

Square miles are commonly used to describe the size of cities, counties, and large geographic regions.




Acre (US Survey) [ac]


The acre (US survey) is a unit of area used mainly in the United States for land measurement, based on the US survey foot. It is slightly different from the international acre due to the foot definition.



  • 1 US survey acre = 43,560 US survey square feet



  • 1 US survey acre ≈ 4,046.87261 square meters



  • Slightly larger than the international acre by about 0.0005%.



It is commonly used in land surveying, real estate, and agriculture.




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Convert square mile [mi^2] to Other Area Units

🔄 square mile [mi^2] to square meter [m^2]
🔄 square mile [mi^2] to square kilometer [km^2]
🔄 square mile [mi^2] to square centimeter [cm^2]
🔄 square mile [mi^2] to square millimeter [mm^2]
🔄 square mile [mi^2] to square micrometer [µm^2]
🔄 square mile [mi^2] to hectare [ha]
🔄 square mile [mi^2] to acre [ac]
🔄 square mile [mi^2] to square yard [yd^2]
🔄 square mile [mi^2] to square foot [ft^2]
🔄 square mile [mi^2] to square inch [in^2]
🔄 square mile [mi^2] to square hectometer [hm^2]
🔄 square mile [mi^2] to square dekameter [dam^2]
🔄 square mile [mi^2] to square decimeter [dm^2]
🔄 square mile [mi^2] to square nanometer [nm^2]
🔄 square mile [mi^2] to are [a]
🔄 square mile [mi^2] to barn [b]
🔄 square mile [mi^2] to square mile (US survey)
🔄 square mile [mi^2] to square foot (US survey)
🔄 square mile [mi^2] to circular inch
🔄 square mile [mi^2] to township
🔄 square mile [mi^2] to section
🔄 square mile [mi^2] to acre (US survey) [ac]
🔄 square mile [mi^2] to rood
🔄 square mile [mi^2] to square chain [ch^2]
🔄 square mile [mi^2] to square rod
🔄 square mile [mi^2] to square rod (US survey)
🔄 square mile [mi^2] to square perch
🔄 square mile [mi^2] to square pole
🔄 square mile [mi^2] to square mil [mil^2]
🔄 square mile [mi^2] to circular mil
🔄 square mile [mi^2] to homestead
🔄 square mile [mi^2] to sabin
🔄 square mile [mi^2] to arpent
🔄 square mile [mi^2] to cuerda
🔄 square mile [mi^2] to plaza
🔄 square mile [mi^2] to varas castellanas cuad
🔄 square mile [mi^2] to varas conuqueras cuad
🔄 square mile [mi^2] to Electron cross section
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