What notes are in the Edim chord?

Edim is made of E, G and A#: the root, minor 3rd and tritone above E.

What is the easiest way to play Edim?

Play xx2353 (low E to high E): mute the low E and A strings.

Which keys is Edim in?

Edim belongs to F major (vii°).

E Diminished chord on guitar

E diminished (Edim) is a diminished triad: tense and unstable. It is built from E, G and A# (formula 1 ♭3 ♭5). Diminished chords usually pass between two other chords, leading up a half step. The easiest way to play it in standard tuning is xx2353.

x x 2 3 5 3

x x 14 12 11 12

Edim fingerings (low E to high E)

Fret 2: xx2353. Mute the low E and A strings.
Fret 11: x-x-14-12-11-12. Mute the low E and A strings.

Questions

What notes are in the Edim chord?: Edim is made of E, G and A#: the root, minor 3rd and tritone above E.
What is the easiest way to play Edim?: Play xx2353 (low E to high E): mute the low E and A strings.
Which keys is Edim in?: Edim belongs to F major (vii°).

Also try: E Major · E Minor · E7 · Emaj7 · Chord Charts