Zone A radius
Calculate Zone A radius instantly with the exact formula and a worked example. Free online calculator — no signup.
Zone A radius
Lightning rod height, m
Zone A radius
15m
h₀ top
8,5 m
Radius r
15 m
More about: Zone A radius
What it calculates
The “Zone A radius” calculator computes Zone A radius in m from 1 parameter: lightning rod height, m.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters Lightning rod height, m = 10 the result is 15 m.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.