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A♭m7♭5

Half-dim · A♭ – C♭ – D – G♭

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Guitar voicings

EADGBeA♭C♭A♭G♭
420102
EADGBeA♭C♭A♭DG♭
420132
EADGBeA♭C♭G♭A♭DG♭
424132
EADGBeA♭C♭G♭A♭DA♭
424134

Piano

C4C♭C5DC6

About the A♭m7♭5 chord

The A♭m7♭5 chord (half-dim) is made up of 4 notes — A♭ is the root, C♭ the minor third, D the diminished fifth and G♭ the minor seventh. It is a diminished triad topped with a minor seventh, which is why it is also called half-diminished.

On guitar, A♭m7♭5 chords are most often played in open position: 420102. Let the open D and B strings ring out. The diagrams above show 4 playable voicings in all.

Half-diminished chords are moody and jazzy — most often the ii chord in a minor key.

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Common questions

What notes are in the A♭m7♭5 chord?
The A♭m7♭5 chord contains the notes A♭, C♭, D and G♭.
How do you play A♭m7♭5 on guitar?
A common open-position shape is 420102. The diagrams above show 4 playable voicings you can strum or hear.
What intervals make up the A♭m7♭5 chord?
The A♭m7♭5 chord is built from the root (A♭), a minor third (C♭), a diminished fifth (D) and a minor seventh (G♭).
Is A♭m7♭5 the same as G♯m7♭5?
Yes — A♭ and G♯ are two names for the same pitch (enharmonic equivalents), so A♭m7♭5 and G♯m7♭5 are the same chord. MobileChords spells it A♭m7♭5.

More than a chord chart

The chart above is just the start. Open A♭m7♭5 in the finder to hear it on guitar and piano and browse every playable voicing side by side. Or switch to Name my chord — tap frets or keys and MobileChords identifies the chord you're playing, inversions and slash chords included.