Convert circular mil to square foot
Please provide values below to convert circular mil [circ mil] to square foot [ft^2], or Convert square foot to circular mil.
How to Convert Circular Mil to Square Foot
1 circ mil = 5.45415391143282e-09 ft^2
Example: convert 15 circ mil to ft^2:
15 circ mil = 15 × 5.45415391143282e-09 ft^2 = 8.18123086714923e-08 ft^2
Circular Mil to Square Foot Conversion Table
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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.
Square Foot
A square foot is a unit of area measurement equal to the area of a square with sides of one foot in length.
History/Origin
The square foot has been used historically in the imperial and US customary systems for measuring areas, especially in real estate and construction, dating back to the adoption of the imperial system in the UK and its influence in the US.
Current Use
Today, the square foot is widely used in real estate, architecture, and interior design in the United States and other countries that employ imperial units to measure property sizes, building areas, and land plots.