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Wire diameter conversion method of knowledge

Know the square of the wire, calculate the radius of the wire please circle area formula:
Wire and square numbers (mm) = PI (3.14) x radius of wires (mm) square
Know the square of the wire, and calculate wire diameters, too, such as:
2.5 wire wire diameter: 2.5 ÷ 3.14=0.8, then open a 0.9 mm, therefore 2.5 line wire diameters are: 2x0.9 = 1.8 mm.


 

Know the diameter of wire, calculate the square of the wire is also seeking a circular area of a formula to calculate:
Square of the wire = PI (3.14) x wire diameter/4
Cable size square nominal, multiple lines are each wire cross-sectional area of.


 

Cable cross-sectional area calculation formula:
0.7854x radius of wires (mm) sq x number of shares
48 unit (wire RADIUS per share 0.2 mm) 1.5 square line:
0.785x (0.2x0.2) x48=1.5 square