D diminished chord on guitar (Ddim)

Also called or written Ddim or

D diminished is built from D, F, and A♭. The open shape uses two open strings and mutes the low E and A strings.

DA♭DFEADGBE
Positions on the neck1 of 5
Practice D diminished chord

How it is built

DRootFMinor thirdA♭Diminished fifth

Formula 1, ♭3, ♭5

Inversions

How do you play a D diminished chord on guitar?

D diminished is played in open position as × × 0 1 3 1: index finger on the G string at fret 1, ring finger on the B string at fret 3 and middle finger on the high e string at fret 1. The D string rings open. The low E and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)muted
4 (D)openD (1)
3 (G)11A♭ (♭5)
2 (B)33D (1)
1 (e)12F (♭3)

BeginnerThe open shape is beginner-friendly, but the ring finger stretch to the 3rd fret on the B string requires some flexibility.

5th fret

D diminished is played at the 5th fret as × 5 6 7 6 ×: index finger on the A string at fret 5, middle finger on the D string at fret 6, pinky finger on the G string at fret 7 and ring finger on the B string at fret 6. The low E and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)51D (1)
4 (D)62A♭ (♭5)
3 (G)74D (1)
2 (B)63F (♭3)
1 (e)muted

10th fret

D diminished is played at the 10th fret as 10 11 12 10 × ×: index finger on the low E string at fret 10, ring finger on the A string at fret 11, pinky finger on the D string at fret 12 and middle finger on the G string at fret 10. The B and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)101D (1)
5 (A)113A♭ (♭5)
4 (D)124D (1)
3 (G)102F (♭3)
2 (B)muted
1 (e)muted

Ddim/F inversion · fret 1

D diminished is played at the 1st fret as × × 3 1 3 1: ring finger on the D string at fret 3, index finger on the G string at fret 1, pinky finger on the B string at fret 3 and middle finger on the high e string at fret 1. The low E and A strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)muted
4 (D)33F (♭3)
3 (G)11A♭ (♭5)
2 (B)34D (1)
1 (e)12F (♭3)

Ddim/F inversion · fret 6

D diminished is played at the 6th fret as × 8 6 7 6 ×: pinky finger on the A string at fret 8, index finger on the D string at fret 6, ring finger on the G string at fret 7 and middle finger on the B string at fret 6. The low E and high e strings stay muted.

Full note and interval breakdown
StringFretFingerNote
6 (E)muted
5 (A)84F (♭3)
4 (D)61A♭ (♭5)
3 (G)73D (1)
2 (B)62F (♭3)
1 (e)muted

Why it sounds like that

D diminished uses the formula 1, ♭3, ♭5, producing D, F, and A♭. The flattened fifth gives the chord its tense, unstable quality. Contrast it with D minor, which has a perfect fifth.

What goes wrong with D diminished?

  • Letting the low E string ring out, adding an E that is not part of D diminished.
  • Letting the A string ring out, adding an A that is not part of D diminished.
  • Flattening the ring finger on the B string, causing the 3rd fret note to buzz.

When to use it

D diminished functions as the vii° chord in E♭ major, leading to E♭ major. It also works as a passing chord between D minor and E♭ major. Use it in blues or jazz for a tense, dark color.

Changing to and from D diminished

  • Move to D minor by lifting the ring finger from the B string's 3rd fret and playing the 2nd fret instead.

Which voicing to use

The open shape is the easiest and keeps the root D in the bass. The 5th fret and 10th fret shapes repeat the voicing higher. The Ddim/F inversions place F in the bass, creating a more ambiguous sound.

Other D chords

Common questions

What is the difference between D diminished and D minor?

D diminished has a flattened fifth (A♭), while D minor has a perfect fifth (A). The diminished fifth creates a more dissonant, tense sound.

Can I play D diminished as a barre chord?

The open shape uses no barre, but the 5th fret shape is movable. Slide the 5th fret shape down one fret to get C♯ diminished.

Why are the low E and A strings muted in the open shape?

The open E and A strings are not chord tones of D diminished. Muting them keeps the voicing clean and prevents an unwanted major second clash.

How is D diminished written?

D diminished is written as D° or Ddim. The root is D, and the symbols are D° and Ddim.