Ab Diminished Chord

Symbol: Abdim

Diagrams

Staff Notation

Staff Notation

Piano Keyboard

Abdim chord – keys Ab, Cb, Ebb highlightedPiano keyboard with keys Ab, Cb, Ebb highlighted. Ab is the root note.EbbCbAb
Abdim chord – keys Ab, Cb, Ebb highlightedPiano keyboard with keys Ab, Cb, Ebb highlighted. Ab is the root note.EbbCbAb

Guitar

Guitar chord diagram for Abdim (11fr)Guitar chord voicing with notes Ab, Ebb, Ab, Cb.Abdim (11fr)11234

Intervals

NoteIntervalSemitones
AbP10
Cbm33
Ebbd56

About the Ab Diminished Chord

The Ab Diminished chord is built from the notes Ab, Cb, Ebb. These notes are derived by stacking intervals above the root note Ab, following the interval pattern that defines every Diminished chord. Understanding how a chord is constructed from intervals is one of the most valuable skills in music theory, because it allows you to build the chord in any key and recognize it in any context.

You can use this chord in a variety of musical contexts. Try exploring the scales that contain these notes to discover which keys this chord naturally belongs to. Each scale listed above shares all the notes of this chord, making it a diatonic chord within that key. Understanding these relationships helps with songwriting, improvisation, and arranging.

Try Abdim in the Chord Identifier →