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A♭dim7 Guitar Chord

A♭ diminished seventh (A♭dim7) is made of the notes A♭ C♭ E♭♭ G♭♭. Here are 3 ways to play it on guitar, starting with the easiest.

How to play A♭dim7 on guitar

  1. Shape 1

    Open position

    4 3 1 2 A♭ C♭ E♭♭ A♭ C♭ G♭♭

    420101

  2. Shape 2

    Barre at fret 4

    4fr 1 2 3 4 A♭ E♭♭ A♭ C♭ G♭♭ A♭

    456464

  3. Shape 3

    Barre at fret 9

    9fr 1 4 2 3 A♭ C♭ G♭♭ A♭ E♭♭

    x-11-9-10-9-10

Notes in A♭dim7

Formula 1 ♭3 ♭5 ♭♭7
DegreeNote
1A♭
♭3C♭
♭5E♭♭
♭♭7G♭♭

Shape 1 step by step

  1. Put your little finger on string 6 at fret 4.
  2. Put your ring finger on string 5 at fret 2.
  3. Put your index finger on string 3 at fret 1.
  4. Put your middle finger on string 1 at fret 1.
  5. Let strings 4, 2 ring open.
  6. Strum from string 6 to string 1.

Shape 2 step by step

  1. Lay your index finger flat across strings 6 to 1 at fret 4.
  2. Put your middle finger on string 5 at fret 5.
  3. Put your ring finger on string 4 at fret 6.
  4. Put your little finger on string 2 at fret 6.
  5. Strum from string 6 to string 1.

Tune your guitar first

A chord only sounds right when your instrument is in tune. Check your strings with the free online tuner before you practise. Open the guitar tuner

Frequently asked questions

What notes are in the A♭dim7 chord?

A♭ diminished seventh has the notes A♭ C♭ E♭♭ G♭♭. Its formula is 1 ♭3 ♭5 ♭♭7. The numbers are steps of the major scale, counted from the root.

What is the easiest way to play A♭dim7 on guitar?

Start with shape 1 (open position), written as 420101 from string 6 to string 1. Here x means you don’t play that string and 0 means it rings open.

What is the difference between A♭dim7 and A♭m7♭5?

A♭dim7 has the notes A♭ C♭ E♭♭ G♭♭, and A♭m7♭5 has A♭ C♭ E♭♭ G♭. The only difference is that A♭dim7 has G♭♭ where A♭m7♭5 has G♭.

Is A♭dim7 the same chord as G♯dim7?

Yes. A♭dim7 and G♯dim7 sound the same and use the same shapes. The name a chart uses depends on the key of the song.

Diminished 7th chords in every key

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