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Resistance of a wire

You can use the calculator in two ways:
  • to compute the resistance of the wire (R) when you know the material the wire is made of, either the diameter of the wire (d) or the cross-sectional area of the wire (S) and the length of the wire (L)
  • to find the length of the wire (L) when you know the material, either the diameter (d) or cross-sectional area (S) and the desired resistance of the wire (R)

ρ =

d / S =

L =

R =

Resistivity values were taken from Wikipedia (2019-01-11).

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[ekalk]© Sławek Wernikowski, 2012-2023. Set of useful interactive calculators for electronics constructors and hams.

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[N4.00 202-08-07][s]