Cdim Piano
Learn the C Diminished (Cdim) chord on piano: notes (C, E♭, G♭), intervals, fingering, diagram, and an interactive audio tool.
Quick answer
Cdim contains C, E♭, G♭. An unstable chord with strong dramatic tension.
Positions
Root position
C · E♭ · G♭
Inversion 1
E♭ · G♭ · C
Inversion 2
G♭ · C · E♭
Notes
- CRoot
- E♭Minor 3rd
- G♭Diminished 5th
Intervals
Root · Minor 3rd · Diminished 5th
Frequently asked questions
What notes are in Cdim?
C · E♭ · G♭
Which scales contain every note in Cdim?
The song key and surrounding chords determine which compatible choice fits in context.