Chord · 11ths

Em7♭5/11 — E Half-Diminished / 11th

Em7♭5/11 is the E half-diminished / 11th chord. It is built on the root E with minor 3rd (G), diminished 5th (B♭), minor 7th (D) and perfect 11th (A) above it — the formula 1 ♭3 ♭5 ♭7 11, sounding the notes E G B♭ D A. On the piano it sits at E (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Em7♭5/11.

Root
E
Quality
Half-Diminished / 11th
Formula
1 ♭3 ♭5 ♭7 11
Notes
E G B♭ D A

On the keyboard

Em7♭5/11 on the piano keyboard: E G B♭ D AEGB♭DA

The notes of Em7♭5/11

DegreeNoteInterval from the rootPitch
1ErootE4
♭3Gminor 3rdG4
♭5B♭diminished 5thB♭4
♭7Dminor 7thD5
11Aperfect 11thA5

Other 11ths on E

Half-Diminished / 11th chords on every root

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