Cdim7 chord on Piano, Guitar, and Ukulele

The C diminished seventh chord (abbreviated "Cdim7 chord") is a four-note chord consisting of the notes C, E♭, G♭, and B♭♭. The chord is formed by adding a diminished seventh to a C diminished chord.

Name

C diminished seventh chord

Synonym

C fully diminished chord

Notes

C E♭ G♭ B♭♭

Intervals

1 ♭3 ♭5 ♭♭7

Chord symbol

C^o7

Alternative symbols

C^dim7 C^dim C^o

Type

Tetrad (four-note chord)

Cdim7 chord

Cdim7 chord on piano

Cdim7 chord on guitar

Cdim7 chord on ukulele

Cdim7 chord on the staff