Convert acre (US survey) [ac] to hectare [ha] Online | Free area Converter

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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.



Hectare [ha]


A hectare (ha) is a unit of area commonly used in land measurement. It equals 10,000 square meters or a square that is 100 meters on each side.

1 hectare = 10,000 m² = 0.01 square kilometers.

Hectares are often used to measure fields, farms, and large plots of land.




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Convert acre (US survey) [ac] to Other Area Units

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