Chord chart

Bdim Chord on Guitar: 3 Easy Ways to Play B Diminished (Charts)

Bdim chord charts with finger numbers, an easier version, the notes and intervals, and the keys and progressions that use it. Also searched as bdim chord, bdim guitar chord and how to play Bdim.

By David Sandy, guitar player and founder of Sandy Music Lab. Every chord shape on this page is checked note by note against the chord's formula.

Bdim chord diagram, Open positionBdim Open position: low E muted, A fret 2, D fret 3, G fret 4, B fret 3, high e muted.×1243×x 2 3 4 3 x
Open position
x 2 3 4 3 x
Bdim chord diagram, Easy 3-string versionBdim Easy 3-string version: low E muted, A muted, D muted, G fret 4, B fret 3, high e fret 1.×××431x x x 4 3 1
Easy 3-string version
x x x 4 3 1
Bdim chord diagram, Alternate open shape (1st fret)Bdim Alternate open shape (1st fret): low E muted, A fret 2, D open, G fret 4, B open, high e fret 1.×241x 2 0 4 0 1
Alternate open shape (1st fret)
x 2 0 4 0 1

Numbers are fingers (1 index, 2 middle, 3 ring, 4 pinky, T thumb). × = don't play that string, ○ = play it open. A long bar is a barre: one finger flat across those strings. Strings run low E (left) to high e (right).

Chord chart by Sandy Music Lab

Quick answer: To play Bdim (B diminished) on guitar, play x 2 3 4 3 x from the low E string to the high e string (the open position shape). The chord contains B, D, F. If that is hard, use the easier shape x x x 4 3 1, which needs 3 fretted notes.

Bdim chord facts

Chord Bdim (B diminished)
Other names B°, Bdim triad
Notes B, D, F
Intervals B (root), D (minor 3rd), F (diminished 5th)
Formula 1-b3-b5
Difficulty Beginner
Shapes on this page 3

How do you play Bdim on guitar?

The main shape is x 2 3 4 3 x (Open position). Finger by finger:

  1. Put your index finger (1) on the A string at fret 2 (B, the root).
  2. Put your middle finger (2) on the D string at fret 3 (F, the diminished 5th).
  4. Put your ring finger (3) on the B string at fret 3 (D, the minor 3rd).
  5. Put your pinky (4) on the G string at fret 4 (B, the root).