Doppler Effect Calculator

Calculate the Doppler shift for sound waves and light waves online. Supports classical and relativistic formulas — free physics tool with blueshift/redshift analysis

f' = f \u00D7 (v \u00B1 v\u2092) / (v \u2213 v\u209B)

Input Parameters

Source frequency f (Hz)

Speed of sound v (m/s)

Source velocity v\u209B (m/s)Approaching

Observer velocity v\u2092 (m/s)Approaching

Results

Observed frequency f'

482.17 Hz

Frequency shift

+42.17 Hz

(+9.58%)

Wavelength

\u03BB: 0.7795 m → 0.7114 m