G diminished · Frets 3–5
Gdim guitar chord
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G diminished major seventh · Frets 3–4
G diminished seventh · Open position
How to play Gdim on guitar
The most common way, the first shape above: lay your index finger flat across the four strings from the low E to the G at the 3rd fret, your middle finger on the A string at the 4th fret and your ring finger on the D string at the 5th fret. Don’t play the B and high E strings.
From the low E string 3 4 5 3 x x (x: not played, 0: open)
An easier Gdim
The full shape is a barre chord, hard at first. This one needs no full barre and sounds much the same: your little finger on the D string at the 5th fret, your middle finger on the G string at the 3rd fret, your index finger on the B string at the 2nd fret and your ring finger on the high E string at the 3rd fret. Don’t play the low E and A strings.
x x 5 3 2 3
Gdim, the easier shape
StandardFrets 2–5 · 4 strings
What notes are in Gdim?
Gdim, G diminished, is G, B♭ and D♭: the root (G), the minor third (B♭) and the diminished fifth (D♭). Its formula is 1 ♭3 ♭5.
What is the difference between Gdim, Gm7♭5 and Gdim7?
Gdim is three notes, G, B♭ and D♭. Gm7♭5 adds the minor seventh, F; Gdim7 adds the diminished seventh, F♭, a half step lower.
Where does Gdim go?
Most often up a half step, to A♭: it is the chord on the seventh note of a major key, leading back to the tonic.
Keys with Gdim
Gdim is the vii° chord in A♭ major and the ii° chord in F minor.
More G chords on guitar
GbrightGmsadG7the pullGmaj7dreamyGm7mellowGsus2openGsus4openGadd9sweetGauguneasyG6sweetGm6bittersweetG9the pullG7sus4openG5rawGm7♭5the edgeGdim7the edgeEvery G chord ›
Diminished chords in every key
Cdimthe edgeC♯dimthe edgeDdimthe edgeD♯dimthe edgeEdimthe edgeFdimthe edgeF♯dimthe edgeG♯dimthe edgeAdimthe edgeA♯dimthe edgeBdimthe edge