Cdim7 piano chord (C diminished 7th)
C – E♭ – G♭ – B𝄫
Formula 1 – ♭3 – ♭5 – 𝄫7
Cdim7 inversions
An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.
Root position Cdim7
C – E♭ – G♭ – B𝄫
1st inversion Cdim7/E♭
E♭ – G♭ – B𝄫 – C
2nd inversion Cdim7/G♭
G♭ – B𝄫 – C – E♭
3rd inversion Cdim7/B𝄫
B𝄫 – C – E♭ – G♭
Cdim7 chord questions
What notes are in the C diminished 7th chord?
Cdim7 is C, E♭, G♭, B𝄫. Its formula is 1 – ♭3 – ♭5 – 𝄫7, counted from the root C.
How do you play Cdim7 on piano?
With the right hand in root position, play C–E♭–G♭–B𝄫 using fingers 1, 2, 3 and 5 (thumb on C). With the left hand, use fingers 5, 3, 2 and 1 from the bottom.
What are the inversions of Cdim7?
Root position: C–E♭–G♭–B𝄫; 1st inversion: E♭–G♭–B𝄫–C; 2nd inversion: G♭–B𝄫–C–E♭; 3rd inversion: B𝄫–C–E♭–G♭.