root position: Cm7b5
C – E♭ – G♭ – B♭
Cm7b5 Piano Chord
The C half-diminished 7 chord (Cm7♭5) is made of the notes C, E♭, G♭ and B♭. Its formula is 1 – ♭3 – ♭5 – ♭7.
Notes in Cm7♭5
| Note | Formula | Interval from root |
|---|---|---|
| C | 1 | root |
| E♭ | ♭3 | minor 3rd |
| G♭ | ♭5 | diminished 5th |
| B♭ | ♭7 | minor 7th |
How to play Cm7♭5 on piano
- Right hand: fingers 1-2-3-5
- Left hand: fingers 5-3-2-1
Fingers are numbered from the thumb (1) to the little finger (5).
Cm7♭5 inversions
1st inversion: Cm7b5/Eb
E♭ – G♭ – B♭ – C
2nd inversion: Cm7b5/Gb
G♭ – B♭ – C – E♭
3rd inversion: Cm7b5/Bb
B♭ – C – E♭ – G♭
Other names for Cm7b5
Cm7♭5 is also written as Cm7♭5, Cø7, Cø, Cmin7b5, Cmin7♭5, C-7b5, C-7♭5.