Adim chord

The Adim chord (A diminished) on a piano: the notes, every inversion and the keys it belongs to. Tap play to hear it, and download it as MIDI.

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A1Cb3Ebb5

About the diminished chord

The root, a minor third and a diminished fifth. Tense and unstable, mostly used as a passing chord.

Formula: 1 b3 b5. Used in: Film music, classical, jazz, and as a step between two chords.

Adim inversions

Tap an inversion to hear it. Inversions keep the same notes in a different order, which lets chords move smoothly from one to the next.

Keys with Adim

Adim is the VII chord in Bb major and II chord in G minor.

It also appears in C Dorian (VI), D Phrygian (V), Eb Lydian (IV), F Mixolydian (III).

Build a progression around it in the chord progression generator.

More A chords

Other diminished chords

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Questions

What notes are in a Adim chord?

A, C, Eb.

What is the formula of a diminished chord?

1 b3 b5. The root, a minor third and a diminished fifth. Tense and unstable, mostly used as a passing chord.

What key is Adim in?

Adim is a chord in Bb major (VII), G minor (II).

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