Ddim Piano Chord

D diminished is the Ddim piano chord. It has three notes: D, F and A flat. It is a D minor chord with the fifth lowered onto a black key.

Ddim piano chord diagram, root position, D F A♭

D at the bottom, then F and A♭. Right hand 1-3-5, left hand 5-3-1. The black key is A♭.

How to play Ddim on piano, step by step

  1. Start on the D above middle C. That is the lowest note of the chord.
  2. Thumb (1): D
  3. Middle finger (3): F
  4. Little finger (5): A♭
  5. Press them together with the right hand. The left hand plays the same notes with fingers 5, 3, 1 an octave lower, or just D on its own as a bass note.

Play D minor, then move the little finger down one key from A to A flat. That is the whole difference, and hearing it back to back is the fastest way to learn what diminished means.

Inversions of Ddim

The same 3 notes with a different one at the bottom. All of them are Ddim; which you play depends on what the hand is coming from. Tap any card to hear it.

First inversionF A♭ D
Ddim piano chord diagram, first inversion, F A♭ D
Lighter than root position and less final. A flat third in the bass tips the chord forward, which is why it usually sits between two other chords rather than at the end of a line.
Second inversionA♭ D F
Ddim piano chord diagram, second inversion, A♭ D F
Open and slightly unresolved. A fifth in the bass makes the chord sound like a step on the way somewhere, which is mostly how it is used.

If it sounds wrong

The top note is A
That gives D minor. D diminished needs A flat, the black key just below.
The little finger cannot reach the black key
It has to travel further into the keyboard than the others. Move the whole hand forward rather than stretching.
The chord will not settle
That is the chord doing its job. It resolves upward to E flat major, or back down into D minor.

What makes it a Ddim

D · F · A♭ 1 ♭3 ♭5

D diminished is D, F and A flat: the root, the flat third and the flat fifth, two minor thirds stacked on top of each other.

It works as the leading tone chord of E flat, and as a passing chord between D minor and something a step away. In either case it is a chord that moves rather than one that stays.

Ddim vs Dm

The top note. D minor has A, a white key; D diminished has A flat, the black key below it.

That one step changes the chord from stable to unstable, and moves the little finger from a white key to a black one, so the change is easy to feel.

Ddim in major keys

Every note of Ddim sits inside these keys. See how it works alongside the other chords in each one.

Questions about Ddim

Which notes are in a Ddim chord on piano?

D, F and A flat. It is a minor chord with the fifth lowered by one key.

What is the difference between Ddim and D minor?

The top note. D minor has a normal fifth; Ddim lowers it by one key to A flat. That single change turns a sad chord into a tense one.

How does a diminished chord resolve?

Usually up by one key. Ddim leans toward E flat major, and playing the two in a row is the quickest way to hear why: every note of the diminished chord is a half step or a whole step from where it wants to go.

Is Ddim hard to play?

No. It is three notes with an even shape, since a diminished triad is two minor thirds stacked. The intervals are the same size, which makes the hand position symmetrical and easy to remember.

Chords to learn next

Other D chords