Find the physical wavelength of a musical note in air. Enter a frequency in hertz, or pick a note and octave, and this tool divides the speed of sound by the frequency to give the wavelength in metres and feet. Wavelength matters in acoustics: it tells you how big a room mode is, why bass frequencies are so hard to trap, and how far apart speakers can cause comb filtering. Low notes have long wavelengths measured in metres while high notes are just centimetres across. The default uses a speed of sound of 343 metres per second at about twenty degrees Celsius, and you can adjust it since sound travels faster in warmer air. This is a handy companion for studio setup, subwoofer placement, and understanding standing waves. Change the input and the wavelength updates immediately.
It divides the speed of sound in air by the frequency, so a lower pitch has a longer wavelength and a higher pitch a shorter one.
Enter a musical note or a frequency, and it finds the matching sound wavelength in air.
Knowing a note wavelength helps with speaker placement and room acoustics, since standing waves relate to these lengths.
Find the physical wavelength of a musical note in air. Enter a frequency in hertz, or pick a note and octave, and this tool divides the speed of sound by the frequency to give the wavelength in metres and feet.
Yes. Note Wavelength Calculator is completely free, with no sign-up and no usage limits.
Yes. Note Wavelength Calculator runs in any modern web browser. There is nothing to download or install.
Yes. Note Wavelength Calculator runs entirely on your device in your browser, so nothing you enter is uploaded to a server.