Convert square perch to square mil [mil^2] Online | Free area Converter

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Square Perch


A square perch is a traditional unit of area, also known as a square rod or pole. It represents the area of a square with sides one perch (rod) long.



  • 1 perch (rod) = 16.5 feet



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



  • 160 square perches = 1 acre



Square perches were commonly used in land surveying and property descriptions, especially in the UK and older US records.



Square Mil [mil²]


A square mil (mil²) is a very small unit of area used mainly in engineering and manufacturing, especially for measuring the cross-sectional area of wires and thin materials.



  • 1 mil = 1/1000 of an inch (0.001 inch)



  • 1 square mil = (0.001 inch)² = 0.000001 square inches (in²)



  • 1 square mil ≈ 6.4516 × 10⁻¹⁰ square meters (m²)



Square mils are useful for precise measurements in electronics and materials science.



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