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A diminished seventh chord
The Adim7 chord (diminished seventh) is made of the notes A, C, E♭, G♭. Its formula compared with the major scale is 1 ♭3 ♭5 ♭♭7.
Adim7
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | A | Unison |
| ♭3 | C | Minor third |
| ♭5 | E♭ | Diminished fifth |
| ♭♭7 | G♭ | Diminished seventh |
Inversions
- Adim7A C E♭ G♭Root position
- Adim7/CC E♭ G♭ AFirst inversion
- Adim7/E♭E♭ G♭ A CSecond inversion
- Adim7/G♭G♭ A C E♭Third inversion
Frequently asked questions
- Which notes make up the Adim7 chord?
- The notes are A, C, E♭, G♭.
- What is the formula of the Adim7 chord?
- The formula is 1 ♭3 ♭5 ♭♭7: minor third, diminished fifth, diminished seventh.
From theory to practice
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