Using this Antenna Efficiency Calculator you can calculate efficiency of your antenna. Just provide gain, diameter, and frequency to calculate. the in most of the situations, I faced very difficulty in calculations, but now it is solved.
Antenna Efficiency Calculator
Calculate antenna efficiency from gain, diameter, and frequency.
Results
Efficiency (K): —
Efficiency (%): —
Antenna Efficiency Formula
K = (λ​/πD)2*1010/G​
- GdB is Antenna Gain in dB
- K is Antenna efficiency
- D is the Diameter of the antenna (in meters)
- λ is the Wavelength in meters and it is calculated as λ=c/f​
- c is 3×108 (speed of light)
- f is the frequency.
