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Ddim chord (D diminished) on piano

Ddim (D diminished) has three notes: D, F and A flat. Its formula is 1, b3, b5. In major keys, Ddim is the vii° chord in Eb major.

Ddim inversions and fingering

DFAb
Root position
D F Ab · RH 1-3-5 · LH 5-3-1
FDAb
First inversion
F Ab D · RH 1-2-5 · LH 5-3-1
DFAb
Second inversion
Ab D F · RH 1-3-5 · LH 5-2-1

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Ddim chord facts
SymbolDdim
Also writtenD°, Do
NotesD F Ab
Formula1 b3 b5
Intervalsroot, minor third, tritone
TypeDiminished chord

Ddim across the keyboard

C3C4C5D1Fb3D1Fb3Abb5Abb5

Piano, C3 to C5. Notes in this scale, low to high: D3 (1), F3 (flat 3), Ab3 (flat 5), D4 (1), F4 (flat 3), Ab4 (flat 5).

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Questions

What notes are in the Ddim chord?

Ddim (D diminished) has three notes: D, F and A flat. Its formula is 1, b3, b5. D is the root, F is the minor third and Ab is the tritone.

How do you play Ddim on piano?

Play D, F and Ab together. Root position: D F Ab · RH 1-3-5 · LH 5-3-1.

What key is Ddim in?

In major keys, Ddim is the vii° chord in Eb major. It is diatonic to those keys, so it fits songs in any of them.

What is the difference between Ddim and Dm?

Ddim is Dm with its 5th lowered a half step, from A to Ab. That flat 5th is what gives it its tense sound.