Diminished (whole–half) · A · Piano
The A Dim. W–H scale is A B C D E♭ F G♭ A♭ — formula 1 2 ♭3 4 ♭5 ♭6 6 7, step pattern W–H–W–H–W–H–W–H. Use it over Adim7: it is the scale for fully diminished seventh chords (dim7). Below, every note is marked on the two-octave keyboard; press play to hear it on a synthesized piano while each note lights up, or tap any key to sound that note.
Visualizer
Piano
Guitar · standard tuning
Tap any note on the diagram to hear it. Play loops the scale up and down one octave in eighth notes (switch Loop off for a single pass). “Show” switches or combines the fretboard and keyboard; “Sound” picks the instrument you hear. Audio is synthesized in the browser.
Reference
| Degree | Note | Interval from A | Step to next |
|---|---|---|---|
| 1 | A | unison (0 semitones) | W |
| 2 | B | major 2nd (2 semitones) | H |
| ♭3 | C | minor 3rd (3 semitones) | W |
| 4 | D | perfect 4th (5 semitones) | H |
| ♭5 | E♭ | tritone (6 semitones) | W |
| ♭6 | F | minor 6th (8 semitones) | H |
| 6 | G♭ | major 6th (9 semitones) | W |
| 7 | A♭ | major 7th (11 semitones) | H |
Chord it implies: Adim7 (A – C – E♭ – G♭). Use it for: fully diminished seventh chords (dim7).
Common questions
A B C D E♭ F G♭ A♭. As scale degrees: 1 2 ♭3 4 ♭5 ♭6 6 7. It has 8 notes.
A Dim. W–H fits Adim7 and, more generally, fully diminished seventh chords (dim7).
1 2 ♭3 4 ♭5 ♭6 6 7 — the step pattern from the root is W H W H W H W H (W = whole step, H = half step).
Play A B C D E♭ F G♭ A♭ A ascending from the root, then descend. The keyboard above shows every root in gold, chord tones outlined in amber and the remaining scale tones in teal; use the Play button to hear the fingering tempo.
Keep going
Same scale on guitar · all Dim. W–H pages: Diminished (whole–half) hub · theory: chord-scale theory.
Other scales from A