Chord · 13ths
F13♭9♯11 — F 13th ♭9 ♯11
F13♭9♯11 is the F 13th ♭9 ♯11 chord. It is built on the root F with major 3rd (A), perfect 5th (C), minor 7th (E♭), minor 9th (G♭), augmented 11th (B) and major 13th (D) above it — the formula 1 3 5 ♭7 ♭9 ♯11 13, sounding the notes F A C E♭ G♭ B D. On the piano it sits at F (octave 4) and above in the library's voicing; the same 7 notes in any octave are still F13♭9♯11.
- Root
- F
- Quality
- 13th ♭9 ♯11
- Formula
- 1 3 5 ♭7 ♭9 ♯11 13
- Notes
- F A C E♭ G♭ B D
On the keyboard
The notes of F13♭9♯11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F | root | F4 |
| 3 | A | major 3rd | A4 |
| 5 | C | perfect 5th | C5 |
| ♭7 | E♭ | minor 7th | E♭5 |
| ♭9 | G♭ | minor 9th | G♭5 |
| ♯11 | B | augmented 11th | B5 |
| 13 | D | major 13th | D6 |
Other 13ths on F
13th ♭9 ♯11 chords on every root
Part of the chord reference. See also the scales and the keys.