G♯m7♭5 chord
G♯m7♭5 is G♯, B, D and F♯: 1–♭3–♭5–♭7 built on G♯. Here it is on guitar, piano and ukulele. Tap Play on any of them.
On guitar
4-2-0-1-0-2 · open · medium
- Notes
- G♯ · B · D · F♯
- Formula
- 1 · ♭3 · ♭5 · ♭7
- First shape
- 4-2-0-1-0-2
G♯m7♭5 on guitar: every shape, finger by finger
On piano
root position · G♯–B–D–F♯ · right hand 1-2-3-5
- Notes
- G♯ · B · D · F♯
- Formula
- 1 · ♭3 · ♭5 · ♭7
G♯m7♭5 on piano: fingering and inversions
On ukulele
1-2-2-2 · movable · medium
- Notes
- G♯ · B · D · F♯
- Formula
- 1 · ♭3 · ♭5 · ♭7
- First shape
- 1-2-2-2
Where G♯m7♭5 usually goes next
Here's what the hand does on the most common changes, on guitar and on piano.
- G♯m7♭5 → C♯7 (the iiø7 of a minor key heads to V7)
Guitar: G♯m7♭5 (4-2-0-1-0-2) to C♯7 (x-4-6-4-6-4): the index finger lays across the A to high E strings at the 4th fret, the middle finger goes to the D string, 6th fret, move the ring finger to the B string, 6th fret. Everything moves: lift the whole hand and place the new shape in one go. The two chords share G♯ and B, which is why the change sounds smooth.
Piano: G♯m7♭5 to C♯7: play C♯7 in 2nd inversion (G♯–B–C♯–E♯) and G♯ and B stay under the same fingers, while D moves down to C♯ and F♯ down to E♯. C♯7 - G♯m7♭5 → Amaj7 (I in A major)
Guitar: G♯m7♭5 (4-2-0-1-0-2) to Amaj7 (x-0-2-1-2-0): your index finger stays put, the middle finger slides across to the D string at the same fret, the ring finger slides across to the B string at the same fret. Listen for G♯, which stays put while the rest moves.
Piano: G♯m7♭5 to Amaj7: play Amaj7 in 3rd inversion (G♯–A–C♯–E) and G♯ stays under the same finger, while B moves down to A, D down to C♯ and F♯ down to E. Amaj7 - G♯m7♭5 → C♯m7 (iii in A major)
Guitar: G♯m7♭5 (4-2-0-1-0-2) to C♯m7 (x-4-2-1-0-0): your index finger stays put, the middle finger slides across to the D string at the same fret, move the ring finger to the A string, 4th fret. Listen for G♯ and B, which stay put while the rest moves.
Piano: G♯m7♭5 to C♯m7: play C♯m7 in 2nd inversion (G♯–B–C♯–E) and G♯ and B stay under the same fingers, while D moves down to C♯ and F♯ down to E. C♯m7
How G♯m7♭5 is built
G♯m7♭5 is a half-diminished chord (minor seventh flat five). It is the natural ii chord of a minor key: G♯m7♭5 is ii in F♯ minor, where it leads to C♯7 and then home.
Start on G♯, count 3 half steps up to B, 3 half steps up to D then 4 half steps up to F♯. A♭m7♭5 is the other spelling of the same chord.
| Note | Role | Half steps | Hear it |
|---|---|---|---|
| G♯ | root | 0 | |
| B | minor third | 3 | |
| D | diminished fifth | 6 | |
| F♯ | minor seventh | 10 |
Keys and progressions with G♯m7♭5
G♯m7♭5 belongs to 2 keys: viiø7 in A major and iiø7 in F♯ minor.
Chords close to G♯m7♭5
- G♯m7♭5 and G♯m7 differ by one note: D in G♯m7♭5, D♯ in G♯m7. They share G♯, B and F♯. G♯m7
Chords that share most of their notes with G♯m7♭5: Bm6, E9, G♯dim, Bm, D6, Ddim7.
Every G♯ chord
G♯m7♭5 chord: questions
What notes are in the G♯m7♭5 chord?
G♯, B, D and F♯. G♯m7♭5 is built 1–♭3–♭5–♭7 from G♯: B is the minor third, D is the diminished fifth and F♯ is the minor seventh.
How do you play G♯m7♭5 on guitar?
The usual shape is 4-2-0-1-0-2 (open). All 4 guitar shapes.
How do you play G♯m7♭5 on piano?
Play G♯, B, D and F♯ with right-hand fingers 1-2-3-5. G♯ sits on the middle black key of the three. Inversions and left hand.
How do you play G♯m7♭5 on ukulele?
1-2-2-2 in standard GCEA tuning. More ukulele shapes.
What key is G♯m7♭5 in?
G♯m7♭5 belongs to 2 keys: viiø7 in A major and iiø7 in F♯ minor.
What's the difference between G♯m7♭5 and G♯m7?
G♯m7♭5 and G♯m7 differ by one note: D in G♯m7♭5, D♯ in G♯m7. They share G♯, B and F♯.
All three instruments are drawn and played from G♯, B, D and F♯ by the same engine. Updated September 2026.