A-flat diminished

A-flat diminished guitar chord is also written as A♭dim or A♭o or A♭m♭5.

Below are up to 8 popular shapes for the A-flat diminished guitar chord, with suggested finger positions on the fretboard.

A-flat diminished guitar chord diagram

How to play the A-flat diminished chord

String numbers run from the thinnest string (1st) to the thickest string (6th). Match each numbered finger to the diagrams.

Shape 420404

Place your index finger (1) on the 2nd fret of the 5th (A) string.
Place your middle finger (2) on the 4th fret of the 6th (low E) string.
Place your ring finger (3) on the 4th fret of the 3rd (G) string.
Place your little finger (4) on the 4th fret of the 1st (high E) string.
Let the 2nd (B) string and 4th (D) string ring open.

Shape 450404

Place your index finger (1) on the 4th fret of the 6th (low E) string.
Place your middle finger (2) on the 4th fret of the 3rd (G) string.
Place your ring finger (3) on the 5th fret of the 5th (A) string.
Place your little finger (4) on the 4th fret of the 1st (high E) string.
Let the 2nd (B) string and 4th (D) string ring open.

View A-flat diminished inversions and slash chords

A♭dim/C♭ - A♭dim/E♭♭

View diminished chord for guitar with other root notes

C - D - E - F - G - A - B - C♯ - D♯ - F♯ - G♯ - A♯ - D♭ - E♭ - G♭ - A♭ - B♭