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RF Wavelength & Dipole Antenna Calculator

RF Wavelength & Dipole Antenna Calculator

Calculate wavelength, frequency bands, and practical antenna dimensions locally

RF input

Free-space speed of light: 299,792,458 m/s. A velocity factor of 0.95 estimates propagation in wire or dielectric.

About

Uses the speed of light to calculate wavelength, identifies common broadcast and ISM bands, and compares full-, half-, and quarter-wave dimensions in free space and with a velocity factor of 0.95.

About this tool

Calculate RF wavelength, identify AM, FM, VHF, UHF and ISM bands, and size dipole antenna sections in your browser. RF Wavelength & Dipole Antenna Calculator runs in the browser on DevTools. There is no signup, and your input stays on this device unless the tool explicitly performs a live network lookup.

What this tool does not do

  • RF Wavelength & Dipole Antenna Calculator is a free in-browser utility, not a hosted API. It does not keep server-side history and is not a substitute for production verification in your own stack.

How do I use this tool?

  1. How do I use RF Wavelength & Dipole Antenna Calculator?

    Open RF Wavelength & Dipole Antenna Calculator, enter or paste your input, and copy the result. The page works without an account.