Lightning rod height

Calculate Lightning rod height instantly with the exact formula and a worked example. Free online calculator — no signup.

Lightning rod height

Object height, m
Protection radius at h_x, m
Lightning rod height
8.7667m
h ≈ (r_x + 1.63·h_x) / 1.5Calculate Lightning rod height instantly with the exact formula and a worked example. Free online calculator — no signup.
h
8,77 m

More about: Lightning rod height

What it calculates

The “Lightning rod height” calculator computes Lightning rod height in m from 2 parameters: object height, m, protection radius at h_x, m.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters Object height, m = 5, Protection radius at h_x, m = 5 the result is 8.77 m (h ≈ (r_x + 1.63·h_x) / 1.5).

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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