Convert square rod (US survey) to acre (US survey) [ac] Online | Free area Converter

Square Rod (US Survey)


A square rod (US survey) is a unit of area based on the US survey foot and rod, used primarily in land surveying in the United States.



  • 1 US survey rod = 16.5 US survey feet (exactly 16.5 feet)



  • 1 square rod (US survey) = 16.5 ft ร— 16.5 ft = 272.25 square feet โ‰ˆ 25.2929 mยฒ



The US survey square rod is slightly different in exact length than the international measurement due to the foot definition but is essentially used the same way for land measurement.



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 โ‰ˆ 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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