Convert circular inch to square meter

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Vice Versa: square meter to circular inch

Circular Inch

A circular inch is a unit of area equal to the area of a circle with a diameter of one inch, approximately 0.7854 square inches (π/4 in²). It is used in engineering and wire manufacturing to express cross-sectional areas of round conductors and pipes. 


Square metre

The square metre (international spelling as used by the) or square metre (American spelling) is the SI derived unit of area with symbol m2. 


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