Chord · 7ths
Ddim7 — D Diminished 7th
Ddim7 is the D diminished 7th chord. It is built on the root D with minor 3rd (F), diminished 5th (A♭) and diminished 7th (C♭) above it — the formula 1 ♭3 ♭5 𝄫7, sounding the notes D F A♭ C♭. On the piano it sits at D (octave 4) and above in the library's voicing; the same 4 notes in any octave are still Ddim7.
- Root
- D
- Quality
- Diminished 7th
- Formula
- 1 ♭3 ♭5 𝄫7
- Notes
- D F A♭ C♭
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of Ddim7
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | D | root | D4 |
| ♭3 | F | minor 3rd | F4 |
| ♭5 | A♭ | diminished 5th | A♭4 |
| 𝄫7 | C♭ | diminished 7th | C♭5 |
Other 7ths on D
Diminished 7th chords on every root
Part of the chord reference. See also the scales and the keys.