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

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.




Square Foot [ft²]


A square foot (ft²) is a unit of area commonly used in the United States and other countries. It represents a square with sides 1 foot (12 inches) long.

1 square foot = 144 square inches = 0.0929 square meters.

Square feet are widely used to measure the area of rooms, houses, and small plots of land.



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