Convert square rod to square chain [ch^2] Online | Free area Converter

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Square Rod


A square rod (also called a perch or pole) is a unit of area used in land measurement. It is the area of a square with each side one rod long.



  • 1 rod = 16.5 feet (5.029 meters)



  • 1 square rod = 16.5 ft × 16.5 ft = 272.25 square feet ≈ 25.29 square meters



  • 160 square rods = 1 acre



Square rods were historically used in surveying and property descriptions.



Square Chain [ch²]


A square chain (ch²) is a unit of area used in land surveying, especially in the US and UK. It represents the area of a square with sides one chain long.



  • 1 chain = 66 feet (20.1168 meters)



  • 1 square chain = 66 ft × 66 ft = 4,356 square feet ≈ 404.69 m²



  • 10 square chains = 1 acre



Square chains are used to measure land parcels and agricultural fields.





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