Diameter of Wire Formula

The page provides you the diameter of wire formula which is based on the area of the wire we choose. Wire Diameter is expressed in units such as centimeter, decimeter, meter, gauge and so on. This measurement will help to know the amount of electric current that the wire can handle safely. The diameter of the wire diminishes with the increasing gauge size. Wire diameter can be used in the calculation of many electrical properties during the wiring of the electrical cables.


D = 2 × √(A / π)


D = Wire Diameter
A = Area

Related Calculator:

Find wire diameter using the diameter of wire formula provided above. Refer our online diameter of the wire calculator for your personal calculations. Fill in the numerals in respective places and compute the problem.

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