C♯ diminished seventh chord on piano

C♯dim7 · C♯°7 — four notes a minor third apart: very tense, it leads to almost any chord.

Notes	C♯ – E – G – B♭
Formula	1 – ♭3 – ♭5 – ♭♭7
Symbols	C♯dim7, C♯°7
Fingering (root position)	Right hand 1 2 3 5 · Left hand 5 3 2 1

How to play C♯ diminished seventh on the piano

Start on C♯. Add E, G, B♭. With the right hand use fingers 1 2 3 5; with the left hand 5 3 2 1. Press the keys together for the chord, or one after another for an arpeggio.

Inversions

The same notes in a different order: the lowest note changes, the chord stays C♯ diminished seventh. Inversions let you move between chords with small steps.

Root position

C♯ – E – G – B♭ · RH 1 2 3 5 · LH 5 3 2 1

1st inversion

E – G – B♭ – C♯ · RH 1 2 3 5 · LH 5 3 2 1

2nd inversion

G – B♭ – C♯ – E · RH 1 2 4 5 · LH 5 3 2 1

3rd inversion

B♭ – C♯ – E – G · RH 1 2 3 5 · LH 5 4 2 1

Other C♯ chords

D♭ major C♯ minor C♯ diminished D♭ augmented D♭ sus2 D♭ sus4 D♭6 D♭7 D♭ major seventh C♯ minor seventh C♯ half-diminished

Practise chords with the Klavola app

Lessons, ear training, chord pads and hundreds of songs that listen to you play.

Get the app

▶ Play it on the full online piano · All piano chords