What notes are in a Bdim chord?

Bdim is B, D, F: the 1, ♭3, ♭5 of B.

How do you play Bdim on guitar?

5th String Root Diminished Triad: x 2 3 4 3 x (low E to high E, x = don't play the string).

Guitar chord · Diminished

Bdim chord (B Diminished)

Tense, unstable triad built of two stacked minor 3rds.

Notes BDF

Formula 1 ♭3 ♭5

Shapes 1 on this page

Bdim chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, B.

5th String Root Diminished Triad x 2 3 4 3 x

Interactive chord diagram

Bdim on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕

Tap any note to hear it.

Scales to play over Bdim

These scales start on B and contain every note of the chord, so they fit when Bdim is the chord of the moment.

B Blues B Locrian B Altered B Half-Whole Diminished B Whole-Half Diminished B Hungarian Minor B Locrian Natural 2 B Locrian Natural 6 B Ukrainian Dorian B Lydian #2 B Ultralocrian B Dorian b5 B Lydian b3 B Lydian Augmented #2 B Locrian bb7 B Lydian #2 #6 B Hungarian Major

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Questions

What notes are in a Bdim chord?: Bdim is B, D, F: the 1, ♭3, ♭5 of B.
How do you play Bdim on guitar?: 5th String Root Diminished Triad: x 2 3 4 3 x (low E to high E, x = don't play the string).
What scale goes with Bdim?: Scales on B that contain every note of Bdim: B Blues, B Locrian, B Altered, B Half-Whole Diminished, B Whole-Half Diminished, B Hungarian Minor.

Diminished chords in every key

Cdim C#dim Ddim Ebdim Edim Fdim F#dim Gdim Abdim Adim Bbdim Bdim