E Diminished

Notes:E – G – A#
Formula:R-m3-d5
Intervals:P1-m3-d5
Scale Degrees:1-b3-b5

Introduction

The E Diminished piano chord (Edim) consists of the notes E, G, A#. It is built by stacking two minor thirds (3 semitones each), giving it a tense, unstable, and dissonant character. Formula: R-m3-d5 | Scale degrees: 1-b3-b5.

Notes

Notes:E – G – A#

E Diminished Inversions

PositionNotes
Root PositionE4 – G4 – A#4
1st InversionG4 – A#4 – E5
2nd InversionA#4 – E5 – G5

Key Signature

The key of E Diminished has 4 sharps: F♯, C♯, G♯, D♯.

FCGD

Theory: Intervals

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

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

E Diminished — Frequently Asked Questions

What notes are in the E Diminished chord?

The E Diminished chord contains: E (root), G (minor third), and Bb (diminished fifth). Both intervals are compressed: the minor third is 3 semitones above the root, and the diminished fifth is 6 semitones — a tritone.

How does E Diminished differ from E Minor?

E Minor has a perfect fifth. E Diminished lowers the fifth by one semitone to Bb (diminished fifth). That extra compression creates intense harmonic tension — the tritone between root and diminished fifth is the most dissonant interval in Western music.

What is the symbol for the E Diminished?

E Diminished is written as Edim or E°. The ° or "dim" symbol means both the third and fifth are minor/diminished. Do not confuse with Edim7 or Eø (half-diminished), which include additional notes.

What are the inversions of E Diminished?

First inversion (E Diminished/G): G–Bb–E. Second inversion (E Diminished/Bb): Bb–E–G. Diminished triads are used in classical music as the vii° chord — the chord one semitone below the tonic, with strong resolution pull.

How is E Diminished used in music?

E Diminished most commonly functions as the vii° chord in a major key, creating strong resolution back to the tonic. It also works as a chromatic passing chord between two nearby chords, and in classical music as a brief point of dissonance. Jazz uses the full four-note dim7 more often than the triad.

What songs use diminished chords?

Michelle (Beatles) uses a diminished chord as a chromatic passing chord. Many classical pieces use vii°–I cadences. Jazz standards use dim7 chords as chromatic passing and approach chords. Diminished harmony also appears in flamenco and film music for dramatic tension.

Practice Tips

  • Compare E Minor and E Diminished: only the fifth changes (Bb vs perfect fifth). Play both back to back — the extra compression is striking.
  • The tritone between E and Bb creates maximum tension — practice just this two-note interval to hear its characteristic sound.
  • E Diminished most naturally resolves up by half step: play Edim then a chord whose root is E raised by one semitone.
  • Practice all inversions: E–G–Bb, G–Bb–E, Bb–E–G.
  • Use E Diminished as a vii° chord: it is one semitone below E# Major — try Edim → E# Major to feel this powerful classical resolution.
  • In a major key, find where E Diminished fits naturally as a passing chord between two diatonic chords a step apart.