Waveguide & Wavelength
TEM Wavelength Calculator
Wavelength of a TEM-mode line — stripline, coax or free space — from frequency and relative permittivity.
Result
Enter the inputs above and select Calculate.
Formula: λ = c / (f · √εᵣ)
Use εᵣ = 1 for free space. For a microstrip, use the effective permittivity rather than the substrate's bulk value.