Chord · 11ths
F♯m7♭5/11 — F♯ Half-Diminished / 11th
F♯m7♭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 F♯m7♭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 F♯m7♭5/11
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | F♯ | root | F♯4 |
| ♭3 | A | minor 3rd | A4 |
| ♭5 | C | diminished 5th | C5 |
| ♭7 | E | minor 7th | E5 |
| 11 | B | perfect 11th | B5 |
Other 11ths on F♯
Half-Diminished / 11th chords on every root
Part of the chord reference. See also the scales and the keys.