Cable Length

Cable Span
Cable Sag
Result unit

Utilize this calculator for precise calculation of cable or conductor length.

This online tool aids in ascertaining the length of a cable or conductor, considering the inherent sag that manifests in wires. Due to its flexibility, a line generally adopts a parabolic form when suspended between two points. Consequently, the cable length between those two points exceeds the initial distance. This calculator employs cable span and sag data to compute the cable or conductor’s size accurately.

Cable Length formula

    \[L = S + \frac{8d^2}{3S}\]


  • L = Cable Length
  • S = Cable Span
  • d = Cable Sag

Cable Length Calculator

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