Convert square mil to circular mil
Please provide values below to convert square mil [mil^2] to circular mil [circ mil], or Convert circular mil to square mil.
How to Convert Square Mil to Circular Mil
1 mil^2 = 1.27323954498015 circ mil
Example: convert 15 mil^2 to circ mil:
15 mil^2 = 15 × 1.27323954498015 circ mil = 19.0985931747023 circ mil
Square Mil to Circular Mil Conversion Table
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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.
Circular Mil
A circular mil is a unit of area used to measure the cross-sectional size of wires, representing the area of a circle with a diameter of one mil (one thousandth of an inch).
History/Origin
The circular mil originated in the electrical industry to specify wire sizes before the adoption of metric units. It has been a standard measurement in North America for wire gauge sizes for many decades.
Current Use
Circular mils are still used today in the electrical industry to specify wire cross-sectional areas, especially in North America, although metric units are increasingly common.