E diminished chord on bass (Edim)

Also called or written Edim or

E diminished contains E, G, and B♭. The open shape uses two open strings, so it is a beginner-friendly diminished voicing.

EB♭EGEADG
Positions on the neck1 of 5
Practice E diminished chord

How it is built

ERootGMinor thirdB♭Diminished fifth

Formula 1, ♭3, ♭5

Inversions

How do you play an E diminished chord on bass?

E diminished is played in open position as 0 1 2 0: index finger on the A string at fret 1 and middle finger on the D string at fret 2. The E and G strings ring open.

Full note and interval breakdown
StringFretFingerNote
4 (E)openE (1)
3 (A)11B♭ (♭5)
2 (D)22E (1)
1 (G)openG (♭3)

BeginnerThe index finger must fret the 3rd string cleanly without muting the open 4th string.

12th fret

E diminished is played at the 12th fret as 12 13 14 12: index finger on the E string at fret 12, ring finger on the A string at fret 13, pinky finger on the D string at fret 14 and middle finger on the G string at fret 12.

Full note and interval breakdown
StringFretFingerNote
4 (E)121E (1)
3 (A)133B♭ (♭5)
2 (D)144E (1)
1 (G)122G (♭3)

Edim/G inversion · 3-1-2-0

E diminished is played in open position as 3 1 2 0: ring finger on the E string at fret 3, index finger on the A string at fret 1 and middle finger on the D string at fret 2. The G string rings open.

Full note and interval breakdown
StringFretFingerNote
4 (E)33G (♭3)
3 (A)11B♭ (♭5)
2 (D)22E (1)
1 (G)openG (♭3)

Edim/G inversion · 3-1-2-3

E diminished is played at the 1st fret as 3 1 2 3: ring finger on the E string at fret 3, index finger on the A string at fret 1, middle finger on the D string at fret 2 and pinky finger on the G string at fret 3.

Full note and interval breakdown
StringFretFingerNote
4 (E)33G (♭3)
3 (A)11B♭ (♭5)
2 (D)22E (1)
1 (G)34B♭ (♭5)

Edim/G inversion · 15-13-14-15

E diminished is played at the 13th fret as 15 13 14 15: ring finger on the E string at fret 15, index finger on the A string at fret 13, middle finger on the D string at fret 14 and pinky finger on the G string at fret 15.

Full note and interval breakdown
StringFretFingerNote
4 (E)153G (♭3)
3 (A)131B♭ (♭5)
2 (D)142E (1)
1 (G)154B♭ (♭5)

Why it sounds like that

E diminished is built from the formula 1, ♭3, ♭5. The ♭5 interval gives the chord its tense, unstable quality. Compare E minor, which raises the fifth to B.

What goes wrong with E diminished?

  • Letting the index finger touch the 4th string mutes the open E.
  • Pressing the middle finger too flat on the 2nd string buzzes against the fret.
  • Allowing the open 1st string to ring too loudly overpowers the chord.

When to use it

E diminished works as a passing chord between E minor and G major, or over a D natural minor line. The ♭5 interval creates a tritone that pulls toward the next chord, suiting jazz walk-ups and metal riffs.

Changing to and from E diminished

  • Move to E minor by raising the 2nd string one fret to the 3rd fret.

Which voicing to use

The open shape puts E in the bass for a root-position sound. The Edim/G inversion at the 3rd fret places G in the bass, which softens the chord's bite.

Other E chords

Common questions

How do I write E diminished?

Write E° or Edim. The root is E, and the chord is spelled E–G–B♭.

Why does E diminished sound unstable?

The ♭5 interval creates a tritone with the root, which wants to resolve. This tension is what gives diminished chords their forward drive.

Can I use E diminished in place of E minor?

Only when you want that darker, more dissonant color. E diminished lowers the fifth, so it clashes with melodies that expect the perfect fifth B.