Chord · Triads

E♭dim — E♭ Diminished

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

Root
E♭
Quality
Diminished
Formula
1 ♭3 ♭5
Notes
E♭ G♭ B𝄫

On the keyboard

E♭dim on the piano keyboard: E♭ G♭ B𝄫135E♭G♭B𝄫

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

The notes of E♭dim

DegreeNoteInterval from the rootPitch
1E♭rootE♭4
♭3G♭minor 3rdG♭4
♭5B𝄫diminished 5thB♭♭4

Other triads on E♭

E♭E♭mE♭augE♭sus2E♭sus4E♭5

Diminished chords on every root

CdimC♯dimDdimEdimFdimF♯dimGdimG♯dimAdimB♭dimBdim

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