basic

Doppler Effect Observed Frequency Calculator

f' = f₀(v+v_o)/(v−v_s) — frequency shift due to motion.

Calculates the observed frequency of a sound or wave due to the Doppler effect from source and observer velocities.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

f' = f₀ × (v + v_o) / (v − v_s)

In depth

Calculates the observed frequency of a sound or wave due to the Doppler effect from source and observer velocities.