Chord · 7ths

G♯dim7 — G♯ Diminished 7th

G♯dim7 is the G♯ diminished 7th chord. It is built on the root G♯ with minor 3rd (B), diminished 5th (D) and diminished 7th (F) above it — the formula 1 ♭3 ♭5 𝄫7, sounding the notes G♯ B D F. On the piano it sits at G# (octave 4) and above in the library's voicing; the same 4 notes in any octave are still G♯dim7.

Root
G♯
Quality
Diminished 7th
Formula
1 ♭3 ♭5 𝄫7
Notes
G♯ B D F

On the keyboard

G♯dim7 on the piano keyboard: G♯ B D F1235G♯BDF

Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).

The notes of G♯dim7

DegreeNoteInterval from the rootPitch
1G♯rootG♯4
♭3Bminor 3rdB4
♭5Ddiminished 5thD5
𝄫7Fdiminished 7thF5

Other 7ths on G♯

Diminished 7th chords on every root

Part of the chord reference. See also the scales and the keys.