G Diminished Chord on Piano
The G Diminished chord contains G, B♭ and D♭ — 3 notes. Every one is marked across three octaves of the keyboard below, labelled with note names and with interval numbers.
- Root
- Minor 3rd
- Augmented 4th
| Degree | 1 | ♭3 | ♯4 |
|---|---|---|---|
| Note | G | B♭ | D♭ |
| Interval | Root | Minor 3rd | Augmented 4th |
Note names

Interval numbers

Scales containing G Diminished
| Major (Ionian) | A♭ |
| Natural Minor (Aeolian) | F |
| Dorian | B♭ |
| Phrygian | C |
| Lydian | D♭ |
| Mixolydian | E♭ |
| Locrian | G |
| Harmonic Lydian (Lydian ♭6) | B |
| Harmonic Minor | D F A♭ B |
| Melodic Minor | A♭ B♭ |
| Melodic Minor ♯4 | D♭ E G B♭ |
| Gypsy Minor (Hungarian Minor) | G B |
| Dominant Pentatonic (Mixolydian Pentatonic) | E♭ |
| Minor Sixth Pentatonic | B♭ |
| Blues | G |
| Dominant Diminished (M2) | C D♭ E♭ E F# G A B♭ |
| Tcherepnin (M3) | D♭ F A |
Circle of fifths
Chords inside G Diminished
No chord in the list has fewer notes than this one.
Frequently asked questions
What notes are in the G Diminished chord?
G, B♭ and D♭. That is 3 notes.
How is the G Diminished chord built?
From a root of G: B♭ is the minor 3rd and D♭ is the augmented 4th.
Which scales contain the G Diminished chord?
A♭ Major (Ionian), F Natural Minor (Aeolian), B♭ Dorian and C Phrygian, among others. Every note of the G Diminished chord is in those, so they can be played over it.
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