Chord · 7ths
F♯dim7 — F♯ Diminished 7th
F♯dim7 is the F♯ diminished 7th chord. It is built on the root F♯ with minor 3rd (A), diminished 5th (C) and diminished 7th (E♭) above it — the formula 1 ♭3 ♭5 𝄫7, sounding the notes F♯ A C E♭. On the piano it sits at F# (octave 4) and above in the library's voicing; the same 4 notes in any octave are still F♯dim7.
- Root
- F♯
- Quality
- Diminished 7th
- Formula
- 1 ♭3 ♭5 𝄫7
- Notes
- F♯ A C E♭
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of F♯dim7
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F♯ | root | F♯4 |
| ♭3 | A | minor 3rd | A4 |
| ♭5 | C | diminished 5th | C5 |
| 𝄫7 | E♭ | diminished 7th | E♭5 |
Other 7ths on F♯
Diminished 7th chords on every root
Part of the chord reference. See also the scales and the keys.