Antenna Beamwidth
Calculate Antenna Beamwidth instantly with the exact formula and a worked example.
Antenna Beamwidth
λ, m
Antenna D, m
Beam width
2.1°
θ
2,1°
More about: Antenna Beamwidth
What it calculates
The “Antenna Beamwidth” calculator computes Beam width in ° from 2 parameters: λ, m, antenna d, m.
A standard physics formula used in educational and engineering tasks.
Example calculation
With parameters λ, m = 0.03, Antenna D, m = 1 the result is 2.1 ° (≈ 70°·λ/D).
How to use
- Enter λ, m and antenna d, m — each field above is adjustable with a slider.
- Beam width (°) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Antenna Beamwidth calculated?
The Antenna Beamwidth calculator computes Beam width (in °) from λ, m, antenna d, m. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Antenna Beamwidth 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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