G# Diminished 7th

Notes:G# – B – D – F
Formula:R-m3-d5-d7
Intervals:P1-m3-d5-d7
Scale Degrees:1-b3-b5-bb7

Introduction

The G# Diminished 7th piano chord (G#dim7) consists of the notes G#, B, D, F. It is built by stacking three minor thirds, creating a fully symmetrical 4-note chord, giving it a extremely tense and dramatic character, fully symmetrical and harmonically versatile. Formula: R-m3-d5-d7 | Scale degrees: 1-b3-b5-bb7.

Enharmonic equivalent: G♯ is enharmonically equivalent to Aā™­. See Ab Diminished 7th.

Notes

Notes:G# – B – D – F

G# Diminished 7th Inversions

PositionNotes
Root PositionG#4 – B4 – D5 – F5
1st InversionB4 – D5 – F5 – G#5
2nd InversionD5 – F5 – G#5 – B5
3rd InversionG#4 – B4 – D5 – F4

Key Signature

The key of G# Diminished 7th has Key signature data not available.

Theory: Intervals

Formula: R-m3-d5-d7
Intervals: P1-m3-d5-d7

The G# Diminished 7th is built by stacking intervals from the root note. The formula R-m3-d5-d7 describes the scale degrees used. The intervals P1-m3-d5-d7 show the distance between each note in the chord.

G# Diminished 7th — Frequently Asked Questions

What notes are in the G# Diminished 7th chord?

G# Diminished 7th is built from the G# root. Check the interactive keyboard above for exact notes and fingering.

How is the G# Diminished 7th chord used in music?

G# Diminished 7th appears in jazz, pop, and classical contexts. Its sound depends on the chord quality (Diminished 7th).

What is the fingering for G# Diminished 7th?

See the fingering chart above. Right hand typically uses thumb on root. Left hand uses pinky on root.

What are the inversions of G# Diminished 7th?

Use the inversion buttons above to see each inversion with notes, fingering, and staff notation.

Practice Tips

  • Symmetrical — only 3 unique dim7 chords.
  • Pivot chord for modulation.
  • Maximum dramatic tension.
  • Classical cadence chord.
  • Compare with G#m7b5.
  • Film scoring suspense.