Convert square mile [mi^2] to circular mil Online | Free area Converter

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Square Mile [mi²]


A square mile (mi²) is a unit of area used primarily in the United States and the UK to measure large land areas. It represents a square that is one mile long on each side.

1 square mile = 2.59 square kilometers = 640 acres.

Square miles are commonly used to describe the size of cities, counties, and large geographic regions.




Circular Mil


A circular mil is a unit of area used mainly to measure the cross-sectional area of round wires and cables in electrical engineering.



  • Defined as the area of a circle with a diameter of 1 mil (1 mil = 0.001 inch).



  • Area = (diameter in mils)² circular mils.



  • 1 circular mil ≈ 7.854 × 10⁻¹⁰ square meters or 0.7854 square mils.



Circular mils simplify calculations for round wires since area scales with the square of the diameter.




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Convert square mile [mi^2] to Other Area Units

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