Chord · 7ths

Em7♭5 — E Half-Diminished

Em7♭5 is the E half-diminished chord. It is built on the root E with minor 3rd (G), diminished 5th (B♭) and minor 7th (D) above it — the formula 1 ♭3 ♭5 ♭7, sounding the notes E G B♭ D. On the piano it sits at E (octave 4) and above in the library's voicing; the same 4 notes in any octave are still Em7♭5.

Root
E
Quality
Half-Diminished
Formula
1 ♭3 ♭5 ♭7
Notes
E G B♭ D

On the keyboard

Em7♭5 on the piano keyboard: E G B♭ D1235EGB♭D

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

The notes of Em7♭5

DegreeNoteInterval from the rootPitch
1ErootE4
♭3Gminor 3rdG4
♭5B♭diminished 5thB♭4
♭7Dminor 7thD5

Other 7ths on E

Half-Diminished chords on every root

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