Skip to content
guitarchords
ChordsKeysScale Degree MapPath Map
/
  • No chord matches

An interactive reference for guitar chord shapes, voicings and the theory behind them.

ChordsKeysScale Degree MapPath MapSource
  1. Chords
  2. /
  3. G
  4. /
  5. Dim

G diminished (Gdim)

GRoot
B♭min 3
D♭Tritone

Tense and unstable. Used as a passing chord or to create dramatic tension. Common in jazz and classical music.

Notes
GB♭D♭
Formula
1 · ♭3 · ♭5
Type
Diminished triad
03

How to play it

EADGBe314212345

Gdim

G diminished, 1fr

Bass
G, the root
Root
G
Strings
E A G B · 1st fret
  • GRoot
  • B♭m3
  • D♭TT

Up the neck

6 voicings, same three notes

Why it sounds diminished

G+3 fretsB♭+3 fretsD♭

Stacked from 2 intervals. Compare with Gm →

04

Where to go next

Other Dim chords

Same quality, every root

CdimC♯dimDdimE♭dimEdimFdimF♯dimGdimA♭dimAdimB♭dimBdim
01

Root

G
02

Quality

Dim

3 notes: root, 3rd, 5th. Every other chord is built on one of these.

Alterations need a 7th chord. Try G7 →

Why it sounds diminished

G+3 fretsB♭+3 fretsD♭

Stacked from 2 intervals. Compare with Gm →

03

How to play it

EADGBe314212345

Gdim

G diminished, 1fr

Bass
G, the root
Root
G
Strings
E A G B · 1st fret
  • GRoot
  • B♭m3
  • D♭TT

Up the neck

6 voicings, same three notes
04

Where to go next

Other Dim chords

Same quality, every root

CdimC♯dimDdimE♭dimEdimFdimF♯dimGdimA♭dimAdimB♭dimBdim
G diminished