Chord · 7ths

Fm7♭5 — F Half-Diminished

Fm7♭5 is the F half-diminished chord. It is built on the root F with minor 3rd (A♭), diminished 5th (C♭) and minor 7th (E♭) above it — the formula 1 ♭3 ♭5 ♭7, sounding the notes F A♭ C♭ E♭. On the piano it sits at F (octave 4) and above in the library's voicing; the same 4 notes in any octave are still Fm7♭5.

Root
F
Quality
Half-Diminished
Formula
1 ♭3 ♭5 ♭7
Notes
F A♭ C♭ E♭

On the keyboard

Fm7♭5 on the piano keyboard: F A♭ C♭ E♭1235FA♭C♭E♭

Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).

The notes of Fm7♭5

DegreeNoteInterval from the rootPitch
1FrootF4
♭3A♭minor 3rdA♭4
♭5C♭diminished 5thC♭5
♭7E♭minor 7thE♭5

Other 7ths on F

Half-Diminished chords on every root

Part of the chord reference. See also the scales and the keys.