Eff. aperture

Calculate Eff. aperture instantly with the exact formula and a worked example. Free online calculator — no signup.

Eff. aperture

G
λ, m
Eff. aperture
0.12434
A_eff = G·λ² / 4πCalculate Eff. aperture instantly with the exact formula and a worked example. Free online calculator — no signup.
A_eff
0,1243

More about: Eff. aperture

What it calculates

The “Eff. aperture” calculator computes Eff. aperture in m² from 2 parameters: g, λ, m.

A standard physics formula used in educational and engineering tasks.

Example calculation

With parameters G = 100, λ, m = 0.125 the result is 0.1243 (A_eff = G·λ² / 4π).

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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