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C diminished seventh chord
The Cdim7 chord (diminished seventh) is made of the notes C, E♭, G♭, B♭♭. Its formula compared with the major scale is 1 ♭3 ♭5 ♭♭7.
Cdim7
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | C | Unison |
| ♭3 | E♭ | Minor third |
| ♭5 | G♭ | Diminished fifth |
| ♭♭7 | B♭♭ | Diminished seventh |
Inversions
- Cdim7C E♭ G♭ B♭♭Root position
- Cdim7/E♭E♭ G♭ B♭♭ CFirst inversion
- Cdim7/G♭G♭ B♭♭ C E♭Second inversion
- Cdim7/B♭♭B♭♭ C E♭ G♭Third inversion
Frequently asked questions
- Which notes make up the Cdim7 chord?
- The notes are C, E♭, G♭, B♭♭.
- What is the formula of the Cdim7 chord?
- The formula is 1 ♭3 ♭5 ♭♭7: minor third, diminished fifth, diminished seventh.
From theory to practice
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