A sharp diminished piano chord - A#dim

The A sharp diminished chord is a 3-note chord consisting of the notes A#, C# and E.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as A#dim.

Interactive piano diagram for the A sharp diminished chord

Piano keyboard displaying the A sharp diminished chord with the notes A#BbFbEC#Db

Extended Chords

Chords that are a superset of A#dim. The chords include more notes but always A#, C# and E.

Scales with A#dim

Below you find all scales that include A#dim:

  • locrian pentatonic
  • super locrian pentatonic
  • minor blues
  • altered
  • locrian #2
  • locrian
  • ultralocrian
  • locrian 6
  • dorian #4
  • lydian diminished
  • hungarian minor
  • hungarian major
  • flamenco
  • todi raga
  • lydian #9
  • bebop locrian
  • diminished
  • half-whole diminished
  • composite blues
  • messiaen's mode #3
  • messiaen's mode #7
  • chromatic

Related Topics

A sharp diminished piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the A#dim chord. Feel free to save or share the image as needed.

Piano chord chart for the A sharp diminished chord (A#dim). The notes A#, C# and E are highlighted.