Doppler Effect Calculator

Calculate the Doppler shift of sound or light frequency.

Doppler Parameters

f' = f × (v ± v_o) / (v ∓ v_s)

Medium (Speed of Sound)
Wave Speed (v)
Source Frequency (f)
Observer Speed (v_o)
Source Speed (v_s)

Enter your values above to see the result.

Your Results

Observed Frequency (f')
Frequency Change
Observed Wavelength

Step-by-step Solution