C♯dim7 piano chord (C♯ diminished 7th)

C♯ – E – G – B♭

Formula 1 – ♭3 – ♭5 – 𝄫7

EGC♯B♭

C♯dim7 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 C♯dim7

C♯ – E – G – B♭

EGC♯B♭

1st inversion C♯dim7/E

E – G – B♭ – C♯

EGB♭C♯

2nd inversion C♯dim7/G

G – B♭ – C♯ – E

GEB♭C♯

3rd inversion C♯dim7/B♭

B♭ – C♯ – E – G

EGB♭C♯

C♯dim7 chord questions

What notes are in the C♯ diminished 7th chord?

C♯dim7 is C♯, E, G, B♭. Its formula is 1 – ♭3 – ♭5 – 𝄫7, counted from the root C♯.

How do you play C♯dim7 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 C♯dim7?

Root position: C♯–E–G–B♭; 1st inversion: E–G–B♭–C♯; 2nd inversion: G–B♭–C♯–E; 3rd inversion: B♭–C♯–E–G.