Extended Piano Chords
Extended chords stack 9ths, 11ths, and 13ths above seventh chords. On piano you rarely play every theoretical note — practical voicings keep the essential color tones while omitting less critical ones.
Chord formulas in this category
| Type | Formula | Explorer |
|---|---|---|
| Dominant 9th | 1 – 3 – 5 – b7 – 9 | Open in Explorer |
| Minor 9th | 1 – b3 – 5 – b7 – 9 | Open in Explorer |
| Major 9th | 1 – 3 – 5 – 7 – 9 | Open in Explorer |
| Dominant 11th | 1 – 3 – 5 – b7 – 9 – 11 | Open in Explorer |
| Minor 11th | 1 – b3 – 5 – b7 – 9 – 11 | Open in Explorer |
| Major 11th | 1 – 3 – 5 – 7 – 9 – 11 | Open in Explorer |
| Dominant 13th | 1 – 3 – 5 – b7 – 9 – 11 – 13 | Open in Explorer |
| Minor 13th | 1 – b3 – 5 – b7 – 9 – 11 – 13 | Open in Explorer |
| Major 13th | 1 – 3 – 5 – 7 – 9 – 11 – 13 | Open in Explorer |
Formulas use the shared chord-theory registry (9, m9, maj9, 11, m11, maj11, 13, m13, maj13). Notes on each chord page are generated from that same source of truth.
Example chords
Browse All Extended Chords
Every extended chord page in the library, organized by type.
Minor 9th
Major 9th
Minor 11th
Major 11th
Minor 13th
Practice and explore
Related categories
Frequently asked questions
- Do I need to play every note in a 13th chord?
- No. Pianists usually omit the 5th, 11th, or even the root depending on context. Looty Chords shows both the full spelling and a practical keyboard voicing.
- What is the difference between add9 and a 9th chord?
- add9 keeps the triad and adds the 9th without a seventh. A dominant 9th (C9) includes the flat seventh as well — a fuller, jazzier sound.
Browse all qualities: Dominant 9th, Minor 9th, Major 9th, Dominant 11th, Minor 11th, Major 11th, Dominant 13th, Minor 13th, Major 13th.