Wavelength to Frequency Calculator
Free convert wavelength to frequency using the wave equation f = v / λ. Get instant, accurate results with our easy-to-use calculator.
Input Parameters
Default: 343 m/s (sound in air), 3×10⁸ m/s (light)
Results
Enter wavelength and wave speed to calculate frequency
Frequency Formula
Frequency Equation
f = v / λ
Where f = frequency, v = wave speed, λ = wavelength
Common Frequencies
- • Audio: 20 Hz - 20 kHz
- • Radio: 3 kHz - 300 GHz
- • Visible light: 400-800 THz