root position: Cdim
C – E♭ – G♭ · RH 1-3-5, LH 5-3-1
Cdim Piano Chord
The C diminished chord (Cdim) is made of the notes C, E♭ and G♭. Its formula is 1 – ♭3 – ♭5.
Notes in Cdim
| Note | Formula | Interval from root |
|---|---|---|
| C | 1 | root |
| E♭ | ♭3 | minor 3rd |
| G♭ | ♭5 | diminished 5th |
How to play Cdim on piano
- Right hand: fingers 1-3-5
- Left hand: fingers 5-3-1
Fingers are numbered from the thumb (1) to the little finger (5).
Cdim inversions
1st inversion: Cdim/Eb
E♭ – G♭ – C · RH 1-2-5, LH 5-3-1
2nd inversion: Cdim/Gb
G♭ – C – E♭ · RH 1-3-5, LH 5-2-1
Other names for Cdim
Cdim is also written as C°, Cmb5, Cm♭5.