Fresnel Zone

Calculate Fresnel Zone instantly with the exact formula and a worked example.

Fresnel Zone

d₁, m
d₂, m
f, GHz
1st Fresnel zone radius
5.59m
Calculate Fresnel Zone instantly with the exact formula and a worked example.
r
5,59 m

More about: Fresnel Zone

What it calculates

The “Fresnel Zone” calculator computes 1st Fresnel zone radius in m from 3 parameters: d₁, m, d₂, m, f, ghz.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters d₁, m = 500, d₂, m = 500, f, GHz = 2.4 the result is 5.59 m.

How to use

  1. Enter d₁, m, d₂, m and f, ghz — each field above is adjustable with a slider.
  2. 1st Fresnel zone radius (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.

Related calculators

FAQ

How is Fresnel Zone calculated?
The Fresnel Zone calculator computes 1st Fresnel zone radius (in m) from d₁, m, d₂, m, f, ghz. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Fresnel Zone calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.

More calculators in this category

Explore related free tools

Electricity Bill by TariffAir Conditioner BTU SizingRelativistic Velocity AdditionTwin ParadoxWind ChillAbsolute HumidityCloud basePressure altitudeUV IndexFroude NumberKnudsen NumberAtmospheric Pressure by Altitude