Musical Frequency Converter
Convert frequencies to musical notes and vice versa. Calculate MIDI notes, wavelengths, and cents deviation.
Standard: 440 Hz, Baroque: 415 Hz
Musical Note
A4
+0 cents
Exact Note Frequency
440 Hz
MIDI Note
69
Wavelength
77.95 cm
Period
2.273 ms
Note Frequency Table
| Note | Octave 3 | Octave 4 | Octave 5 | Octave 6 |
|---|---|---|---|---|
| C | 130.81 Hz | 261.63 Hz | 523.25 Hz | 1,046.5 Hz |
| C#/Db | 138.59 Hz | 277.18 Hz | 554.37 Hz | 1,108.73 Hz |
| D | 146.83 Hz | 293.66 Hz | 587.33 Hz | 1,174.66 Hz |
| D#/Eb | 155.56 Hz | 311.13 Hz | 622.25 Hz | 1,244.51 Hz |
| E | 164.81 Hz | 329.63 Hz | 659.26 Hz | 1,318.51 Hz |
| F | 174.61 Hz | 349.23 Hz | 698.46 Hz | 1,396.91 Hz |
| F#/Gb | 185 Hz | 369.99 Hz | 739.99 Hz | 1,479.98 Hz |
| G | 196 Hz | 392 Hz | 783.99 Hz | 1,567.98 Hz |
| G#/Ab | 207.65 Hz | 415.3 Hz | 830.61 Hz | 1,661.22 Hz |
| A | 220 Hz | 440 Hz | 880 Hz | 1,760 Hz |
| A#/Bb | 233.08 Hz | 466.16 Hz | 932.33 Hz | 1,864.66 Hz |
| B | 246.94 Hz | 493.88 Hz | 987.77 Hz | 1,975.53 Hz |