F half-diminished chord (Fm7b5) on guitar and piano

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F half-diminished
The F half-diminished chord (Fm7b5) is made of the notes F, Ab, Cb and Eb. It is built from the root F with a minor third, a diminished fifth and a minor seventh.
The half-diminished chord (m7b5) is the second-degree chord of minor keys; very common in jazz.

F half-diminished

Notes: F – Ab – Cb – Eb
Guitar — positions on the neck
Fm7b5××1211Fm7b5××1234Fm7b5××81213Fm7b5××131211
Piano — root position and inversions
Fm7b5C1235F Ab Cb EbFm7b5C1245Ab Cb Eb FFm7b5C1235Cb Eb F AbFm7b5C1235Eb F Ab Cb

Fingerings and positions

On guitar, this chord can be played in 4 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): 1211xx. 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
Eb
minor seventh
In which keys? The F half-diminished chord is the viiø7 of F# major and the iiø7 of Eb minor.

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 half-diminished chord?

The notes of the F half-diminished chord (Fm7b5) are F, Ab, Cb and Eb.

How do you play the F half-diminished chord on guitar?

On guitar, this chord can be played in 4 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): 1211xx.

How is the F half-diminished chord built?

The F half-diminished chord (Fm7b5) is made of the notes F, Ab, Cb and Eb. It is built from the root F with a minor third, a diminished fifth and a minor seventh.