Musical Note to Frequency (Hz) Chart
Standard Equal Temperament tuning based on A4 = 440.00 Hz. Click any note to play an acoustic test tone. Search or filter by octave.
Filter Octave:
| Note | MIDI # | Frequency (Hz) | Wavelength (cm) | Test Audio |
|---|
Cite This Reference
Standard 12-TET Acoustic Pitch StandardIf referencing this musical note frequency chart in research, articles, lesson syllabi, or music engineering documentation, use the citation below:
GemsMakers Audio Physics Laboratory. (2026). Musical Note to Frequency (Hz) Reference Chart (Equal Temperament, A4=440Hz). GemsMakers.com. https://gemsmakers.com/note-frequency-chart.php