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

Square Inch [in²]

A square inch (in²) is a unit of area representing a square with sides 1 inch long. It is commonly used in the United States for measuring small surfaces, such as paper sizes or screen dimensions.

1 square inch = 6.4516 square centimeters = 0.00064516 square meters.

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.

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

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

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

  
  

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