Antennas › Wire Antennas

Dipole Antenna Calculator

Calculate dipole and monopole antenna dimensions, resonant frequency, radiation resistance, bandwidth and efficiency. Covers half-wave, quarter-wave and full-wave dipoles.

Frequency

Velocity Factor

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Antenna Length

Velocity Factor

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⚠ Please check your inputs.

Results

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Enter parameters and click Calculate

Resonant Frequency—MHz

Total Length—mm

Each Arm Length—mm

Wavelength (λ)—mm

Radiation Resistance—Ω

Directivity—dBi

Feed Impedance—Ω