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G Diminished Chord (Gdim)

Notes: G, B♭, D♭. Tap any diagram to hear it.

Gdim
Notes
GB♭D♭
Formula
1 – ♭3 – ♭5

Gdim on guitar

Fret 2 · most common
x-x-5-3-2-3
Fret 5
x-x-5-6-8-6
Fret 8
x-10-8-0-8-9

Strings from low (left) to high (right). Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. × = don’t play, ○ = open string.

Gdim on ukulele

Open position · most common
0-1-3-1
Fret 4
6-7-6-4
Fret 9
0-10-9-10

Gdim on piano

Other G chords

GGmG7Gmaj7Gm7Gsus2Gsus4GaugG6Gm6G9Gadd9G7sus4Gm7♭5Gdim7

Diminished chords in other keys

CdimC♯dimDdimE♭dimEdimFdimF♯dimA♭dimAdimB♭dimBdim

About the G Diminished chord

Diminished chords are built from two minor thirds. They sound tense and unstable and are often used as passing chords. Gdim is built from the root (G), minor third (B♭), diminished fifth (D♭).

Frequently asked questions

What notes are in the G Diminished chord?

The Gdim chord is made of G, B♭, D♭: the root, minor third, diminished fifth.

How do you play Gdim on guitar?

The most common fingering is x-x-5-3-2-3, from the low E string to the high E string (x = don’t play that string, 0 = open string).

How do you play Gdim on piano?

Press G, B♭, D♭ together. In root position the lowest note is G.