Skip to content

E♭ Half Diminished

Also Known As
What are Enharmonics?E♭ / D♯ Equivalent

Hear the E♭ Half Diminished chord played for you.

E♭ø7
E♭ – G♭ – A – D♭
Formula:R-m3-d5-m7
Intervals:P1-m3-d5-m7
Scale Degrees:1-b3-b5-b7

Introduction

E♭ Half Diminished on the piano — Notes: E♭ – G♭ – A – D♭
E♭ Half Diminished chord on the piano

The E♭ Half Diminished chord is a four-note chord made up of E♭, G♭, A, and D♭. It is built from a root, minor third, diminished fifth, and minor seventh.

The Eb Half Diminished piano chord (Ebm7b5) consists of the notes Eb, Gb, A, Db. It is a diminished triad with an added minor 7th, giving it a dark, moody, and tense character commonly used in jazz and minor key progressions. Formula: R-m3-d5-m7 | Scale degrees: 1-b3-b5-b7.

Notes

Notes:E♭ – G♭ – A – D♭

E♭ Half Diminished Inversions

PositionNotes
Root PositionEb – Gb – A – Db
1st InversionGb – A – Db – Eb
2nd InversionA – Db – Eb – Gb
3rd InversionEb – Gb – A – Db

Key Signature

The key of Eb Half Diminished has 3 flats.

B♭E♭A♭

Order of flats

Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.

BEADGCF

Mnemonic: Battle Ends And Down Goes Charles’ Father

Chords in the Key of Eb Major

These are the diatonic triads built on each degree of the Eb major scale:

C
D
E
F
G
A
B
C
D
E
F
G
A
B
IE♭ Major (major)
DegreeNumeralChordQuality
1IEb MajorMajor
2iiF MinorMinor
3iiiG MinorMinor
4IVAb MajorMajor
5VBb MajorMajor
6viC MinorMinor
7vii°D DiminishedDiminished

Theory: Intervals

Formula: R-m3-d5-m7
Intervals: P1-m3-d5-m7

The E♭ Half Diminished is built by stacking intervals from the root note. The formula R-m3-d5-m7 describes the scale degrees used. The intervals P1-m3-d5-m7 show the distance between each note in the chord.

E♭ Half Diminished — Frequently Asked Questions

What notes are in the Eb Half Diminished chord?
Ebm7b5 contains: Eb, Gb, Bbb, Db. Diminished triad with minor seventh.
How does Ebm7b5 differ from Ebdim7?
Minor seventh (Db) vs diminished seventh (Dbb/C).
How is Ebm7b5 used?
ii chord in Db minor.
What songs use Half Diminished?
Jazz minor-key harmony.
How does Ebm7b5 differ from Ebm7?
Flatted fifth (Bbb vs Bb).
Is Ebm7b5 the same as Gbm6?
Same notes, different root.

Practice Tips

  • Minor-key ii–V–i: Ebm7b5 → Ab7 → Dbm.
  • Compare with Ebdim7 and Ebm7.
  • Ebm7b5 and Gbm6 same notes.
  • Essential jazz vocabulary.
  • The flatted fifth creates tension.
  • All flats.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.