Chord · 11ths
Fm7♭5/11 — F Half-Diminished / 11th
Fm7♭5/11 is the F half-diminished / 11th chord. It is built on the root F with minor 3rd (A♭), diminished 5th (C♭), minor 7th (E♭) and perfect 11th (B♭) above it — the formula 1 ♭3 ♭5 ♭7 11, sounding the notes F A♭ C♭ E♭ B♭. On the piano it sits at F (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Fm7♭5/11.
- Root
- F
- Quality
- Half-Diminished / 11th
- Formula
- 1 ♭3 ♭5 ♭7 11
- Notes
- F A♭ C♭ E♭ B♭
On the keyboard
The notes of Fm7♭5/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F | root | F4 |
| ♭3 | A♭ | minor 3rd | A♭4 |
| ♭5 | C♭ | diminished 5th | C♭5 |
| ♭7 | E♭ | minor 7th | E♭5 |
| 11 | B♭ | perfect 11th | B♭5 |
Other 11ths on F
Half-Diminished / 11th chords on every root
Part of the chord reference. See also the scales and the keys.