Convert square inch to square mil
Please provide values below to convert square inch [in^2] to square mil [mil^2], or Convert square mil to square inch.
How to Convert Square Inch to Square Mil
1 in^2 = 1000000 mil^2
Example: convert 15 in^2 to mil^2:
15 in^2 = 15 × 1000000 mil^2 = 15000000 mil^2
Square Inch to Square Mil Conversion Table
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Square Inch
A square inch is a unit of area measurement equal to the area of a square with sides of one inch.
History/Origin
The square inch has been used historically in the imperial and US customary systems for measuring small areas, especially in engineering, manufacturing, and real estate, dating back to the adoption of the inch as a standard unit of length.
Current Use
Today, the square inch is still used in various fields such as printing, screen sizes, and material measurements, although the square meter is more common internationally. It remains a standard unit within the 'Area' converter in measurement tools and applications.
Square Mil
A square mil is a unit of area equal to the area of a square with sides measuring one mil (thousandth of an inch).
History/Origin
The square mil has been used primarily in engineering and manufacturing to measure very small areas, especially in fields like electronics and materials science, where precision at a microscopic scale is required.
Current Use
Today, the square mil is mainly used in the electronics industry to specify the cross-sectional area of wires and conductors, as well as in materials science for measuring tiny surface areas.