F diminished 7 chord (Fdim7) on guitar and piano

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F diminished 7
The F diminished 7 chord (Fdim7) is made of the notes F, Ab, Cb and D. It is built from the root F with a minor third, a diminished fifth and a diminished seventh.
The diminished 7 chord is symmetrical and very tense: it works as a passing chord in jazz and classical music.

F diminished 7

Notes: F – Ab – Cb – D
Guitar — positions on the neck
Fdim7123141Fdim7××1213Fdim713123141
Piano — root position and inversions
Fdim7C1235F Ab Cb DFdim7C1235Ab Cb D FFdim7C1235Cb D F AbFdim7C1235D F Ab Cb

Fingerings and positions

On guitar, this chord can be played in 3 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): 123131. On piano, the right hand plays 4 notes, in root position or in an inversion.

Notes and intervals

Note
Interval
F
root
Ab
minor third
Cb
diminished fifth
D
diminished seventh

Try it in the app

Hear the chords, play them as a progression, switch instrument, note names (Do Ré Mi or C D E) and theme:

Frequently asked questions

What are the notes of the F diminished 7 chord?

The notes of the F diminished 7 chord (Fdim7) are F, Ab, Cb and D.

How do you play the F diminished 7 chord on guitar?

On guitar, this chord can be played in 3 ways along the neck. It is most often played with a barre. Example fingering (from the low E string to the high E string, x = muted string): 123131.

How is the F diminished 7 chord built?

The F diminished 7 chord (Fdim7) is made of the notes F, Ab, Cb and D. It is built from the root F with a minor third, a diminished fifth and a diminished seventh.