Wavelength to Frequency

The wavelength (λ) is calculated by dividing the speed of sound (c) by the frequency (f).

One has: λ = c/f

Sound travels with a speed of 343 meters per second in air at 20° Celsius. A temperature increase of 1° Celsius equals an increase in speed of 0.6 meters per second. You can calculate the wavelength of a frequency at 20° Celsius with the following calculator.

Frequency (Hz):  
Wavelength (meters):  
Wavelength (centimeters):  
  

 


Converting Wavelength to Frequency

The frequency (f) is calculated by dividing the speed of sound (c) by the wavelength (λ).

One has: f=c/λ

You can calculate the frequency at a temperature of 20° Celsius with the following calculator:

Wavelength (meters):  
Frequency (Hz):  
  
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