Frequency to Note Converter
Convert any frequency in Hz to its nearest musical note with cents sharp or flat. Also convert notes to frequencies. Includes a full reference table from C2 to C6.
Enter a frequency in Hertz
Note
A4
Frequency
440.00 Hz
Exact note frequency: 440.00 Hz
Tuning Offset
0.0 cents flat
-500+50
Reference Table (C2 - C6)
| Note | Octave | Frequency |
|---|---|---|
| C | 2 | 65.41 Hz |
| C# | 2 | 69.30 Hz |
| D | 2 | 73.42 Hz |
| D# | 2 | 77.78 Hz |
| E | 2 | 82.41 Hz |
| F | 2 | 87.31 Hz |
| F# | 2 | 92.50 Hz |
| G | 2 | 98.00 Hz |
| G# | 2 | 103.83 Hz |
| A | 2 | 110.00 Hz |
| A# | 2 | 116.54 Hz |
| B | 2 | 123.47 Hz |
| C | 3 | 130.81 Hz |
| C# | 3 | 138.59 Hz |
| D | 3 | 146.83 Hz |
| D# | 3 | 155.56 Hz |
| E | 3 | 164.81 Hz |
| F | 3 | 174.61 Hz |
| F# | 3 | 185.00 Hz |
| G | 3 | 196.00 Hz |
| G# | 3 | 207.65 Hz |
| A | 3 | 220.00 Hz |
| A# | 3 | 233.08 Hz |
| B | 3 | 246.94 Hz |
| C | 4 | 261.63 Hz |
| C# | 4 | 277.18 Hz |
| D | 4 | 293.66 Hz |
| D# | 4 | 311.13 Hz |
| E | 4 | 329.63 Hz |
| F | 4 | 349.23 Hz |
| F# | 4 | 369.99 Hz |
| G | 4 | 392.00 Hz |
| G# | 4 | 415.30 Hz |
| A | 4 | 440.00 Hz |
| A# | 4 | 466.16 Hz |
| B | 4 | 493.88 Hz |
| C | 5 | 523.25 Hz |
| C# | 5 | 554.37 Hz |
| D | 5 | 587.33 Hz |
| D# | 5 | 622.25 Hz |
| E | 5 | 659.26 Hz |
| F | 5 | 698.46 Hz |
| F# | 5 | 739.99 Hz |
| G | 5 | 783.99 Hz |
| G# | 5 | 830.61 Hz |
| A | 5 | 880.00 Hz |
| A# | 5 | 932.33 Hz |
| B | 5 | 987.77 Hz |
| C | 6 | 1046.50 Hz |
| C# | 6 | 1108.73 Hz |
| D | 6 | 1174.66 Hz |
| D# | 6 | 1244.51 Hz |
| E | 6 | 1318.51 Hz |
| F | 6 | 1396.91 Hz |
| F# | 6 | 1479.98 Hz |
| G | 6 | 1567.98 Hz |
| G# | 6 | 1661.22 Hz |
| A | 6 | 1760.00 Hz |
| A# | 6 | 1864.66 Hz |
| B | 6 | 1975.53 Hz |
Related Tools
Guitar Tuner
🎵 MusicFree online guitar tuning reference with 11 alternate tunings. Hear the correct pitch for each string, see the notes on an interactive fretboard and tune by ear.
Music Theory Reference
🎵 MusicInteractive music theory reference with a circle of fifths, interval chart and chord construction guide. Learn keys, scales and how chords are built.
Online Metronome
🎵 MusicFree online metronome with tap tempo, multiple time signatures, subdivisions and a speed trainer. Visual pendulum, precise Web Audio timing and tempo presets.