The C♭ Note
C♭ is a white key on the piano. It sounds at 246.94 Hz in octave 4.
C♭ on the piano
Key facts
- On the keyboard
- a white key on the piano.
- Frequency (octave 4)
- 246.94 Hz
- MIDI number (octave 4)
- 59
- Also written as
- B
- In key signatures
- The 6 flat in the order of flats.
C♭ and its enharmonic spellings
C♭ can also be written as B. These are enharmonic equivalents: the same pitch, the same key on the piano, a different name on the page. Which spelling is correct depends on the key and on how the note functions, not on the sound.
C♭ frequency in every octave
Frequencies for C♭ in scientific pitch notation, with A4 tuned to 440 Hz.
| Note | MIDI | Frequency |
|---|---|---|
| C♭1 | 23 | 30.87 Hz |
| C♭2 | 35 | 61.74 Hz |
| C♭3 | 47 | 123.47 Hz |
| C♭4 | 59 | 246.94 Hz |
| C♭5 | 71 | 493.88 Hz |
| C♭6 | 83 | 987.77 Hz |
| C♭7 | 95 | 1975.53 Hz |
Chords on C♭
The most common chords built with C♭ as the root.
Scales starting on C♭
Keys and scales that use C♭ as their tonic.
All notes
Vanliga frågor
Where is C♭ on the piano?
C♭ is a white key on the piano.
What frequency is C♭4?
C♭4 sounds at 246.94 Hz with A4 tuned to 440 Hz.
What is another name for C♭?
C♭ can also be written as B. They are the same pitch spelled differently.
