basic

Beats Frequency Between Two Sound Waves Calculator

f_beat = |f₁ − f₂| — audible interference pattern.

Calculates the beat frequency produced when two sound waves of slightly different frequencies interfere. Beat frequency equals the absolute difference of the two source frequencies.

Priya Venkatesan By Priya Venkatesan
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
Was this helpful?

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_beat = |f₁ − f₂| Hz

In depth

Calculates the beat frequency produced when two sound waves of slightly different frequencies interfere. Beat frequency equals the absolute difference of the two source frequencies.