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E♭ Diminished Piano Chord

The E♭ Diminished chord contains E♭, G♭, B𝄫. Formula: 1–♭3–♭5.

E♭ Diminished keyboard and inversions

E♭ Diminished
E♭dim
Chord tones
E♭G♭B𝄫
Formula
1♭3♭5
Notes
E♭ · G♭ · B𝄫
Quality
Diminished triad
Formula
1 · ♭3 · ♭5
Keyboard range
C3–C6
Position
Notes from low to high
E♭4G♭4B𝄫4
E♭dim
Bass: E♭4
Download E♭dim PDF
Simple reference tone; not a recording of an acoustic piano.

The e♭ diminished triad uses a root, minor third and diminished fifth.

Preserve the written spelling B𝄫 even when it shares a piano key with a simpler enharmonic name.

Choose a position to keep the written notes, sounding keys, bass note, playback and print reference synchronized.

E♭ Diminished formula

E♭dim uses 1–♭3–♭5: E♭–G♭–B𝄫.

The e♭ diminished triad uses a root, minor third and diminished fifth.

Compare E♭ Diminished

Compared with E♭ minor, lower the fifth by one semitone.

E♭ Diminished inversions

The chord tones stay the same while the lowest chord tone changes.

E♭ Diminished: root position, first inversion, and second inversion
PositionSymbolNotes, low to highBass
Root position, current selectionE♭dimE♭4–G♭4–B𝄫4E♭4
First inversionE♭dim/G♭G♭4–B𝄫4–E♭5G♭4
Second inversionE♭dim/B𝄫B𝄫4–E♭5–G♭5B𝄫4
Reference scope

Fingering is not provided for this reference

No independent fingering dataset is authorized for N2B.

Use the written notes, keyboard positions and playback without treating the diagram as a required hand shape.

Read left- and right-hand finger numbers
Sources and scope

Triads — Open Music Theory

Open Music Theory

Supports: diminished = minor third + diminished fifth; augmented = major third + augmented fifth; triad spelling principles

Scope limit: Theory and spelling cross-check only; no source prose, artwork, fingering or PDF is copied.

Checked 2026-09-12 · N2B-OMT-TRIADS

The Piano Chord Collection — Diminished & Augmented

PianoChord.org

Supports: competitor family coverage; cross-check examples only

Scope limit: Theory and spelling cross-check only; no source prose, artwork, fingering or PDF is copied.

Checked 2026-09-12 · N2B-PC-COLLECTION

Questions about E♭dim

What notes are in E♭dim?

E♭, G♭, B𝄫.

What is the formula for E♭dim?

1–♭3–♭5.

Does an inversion change the chord root?

No. The root stays the same; the lowest chord tone changes.

Interactive practice

Build E♭dim on the keyboard

Select the three pitch classes that make E♭dim, then check your answer.

This one-octave exercise checks pitch classes. Order and octave do not affect the result; fingering and live performance are not assessed.

3Choose three pitch classes

One octave, C through B. Select a key again to remove it.

One-octave keyboard from C through B
Selected: none
Choose notes, then check your answer.

Print this chord reference

Download E♭dim PDF