The G Diminished chord contains G, B♭, D♭. Formula: 1–♭3–♭5.
G diminished is a diminished triad built from G, B♭ and D♭.
Preserve the written note spelling shown for this chord.
Choose a position to keep the written notes, sounding keys, bass note, playback and print reference synchronized.
Gdim uses 1–♭3–♭5: G–B♭–D♭.
Compared with G minor, lower the fifth by one semitone.
The chord tones stay the same while the lowest chord tone changes.
| Position | Symbol | Notes, low to high | Bass |
|---|---|---|---|
| Root position, current selection | Gdim | G3–B♭3–D♭4 | G3 |
| First inversion | Gdim/B♭ | B♭3–D♭4–G4 | B♭3 |
| Second inversion | Gdim/D♭ | D♭4–G4–B♭4 | D♭4 |
Fingerings are not included on this page. The diagram shows note positions, not a prescribed hand shape.
Use the written notes, keyboard positions and playback without treating the diagram as a required hand shape.
Read left- and right-hand finger numbersOpen Music Theory
Supports: diminished triad formula and written tone spelling
Scope: Supports the chord formula and spelling only; keyboard layouts are PianoGrid examples, and no fingering is assigned.
G, B♭, D♭.
1–♭3–♭5.
No. The root stays the same; the lowest chord tone changes.
Select the three pitch classes that make Gdim, then check your answer.
This one-octave exercise checks pitch classes. Order and octave do not affect the result; fingering and live performance are not assessed.
One octave, C through B. Select a key again to remove it.
Chord tones: G–B♭–D♭ · Formula: 1, ♭3, ♭5
Dots mark the notes to play. C4 is middle C. Numbers identify octaves, not fingers.