Overhead Line Conductor Sag

Calculate Overhead Line Conductor Sag instantly with the exact formula and a worked example.

Overhead Line Conductor Sag

Span, m
Tension, kN
Weight/m, N/m
Sag
0.64m
f = w·L² / (8·T)Calculate Overhead Line Conductor Sag instantly with the exact formula and a worked example.
f
0,64 m

More about: Overhead Line Conductor Sag

What it calculates

The “Overhead Line Conductor Sag” calculator computes Sag in m from 3 parameters: span, m, tension, kn, weight/m, n/m.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters Span, m = 80, Tension, kN = 5, Weight/m, N/m = 4 the result is 0.64 m (f = w·L² / (8·T)).

How to use

  1. Enter span, m, tension, kn and weight/m, n/m — each field above is adjustable with a slider.
  2. Sag (m) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Overhead Line Conductor Sag calculated?
The Overhead Line Conductor Sag calculator computes Sag (in m) from span, m, tension, kn, weight/m, n/m. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Overhead Line Conductor Sag calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

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