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B♭dim chord

B♭dim (also written A♯dim) is the Bb diminished chord. It has 3 notes: B♭ – D♭ – F♭ (1 – ♭3 – ♭5).

A diminished chord is built from two minor thirds. It sounds tense and unstable and is mostly used as a passing chord between two other chords.

B♭dim chord on Guitar

B♭dim chord on guitar, shape 1 (x12320)
Open positionx12320
B♭dim chord on guitar, shape 2 (xx8656)
From the 5th fretxx8656
B♭dim chord on guitar, shape 3 (x-x-8-9-11-9)
From the 8th fretx-x-8-9-11-9
B♭dim chord on guitar, shape 4 (x-x-x-15-14-12)
From the 12th fretx-x-x-15-14-12

Shape 1, string by string (low E to high E): low E not played; A 1st fret; D 2nd fret; G 3rd fret; B 2nd fret; high E open.

B♭dim chord on Ukulele

B♭dim chord on ukulele, shape 1 (3101)
Open position3101
B♭dim chord on ukulele, shape 2 (3404)
Open position3404
B♭dim chord on ukulele, shape 3 (9-10-9-7)
From the 7th fret9-10-9-7
B♭dim chord on ukulele, shape 4 (15-13-12-13)
From the 12th fret15-13-12-13

Shape 1, string by string (G, C, E, A): G 3rd fret; C 1st fret; E open; A 1st fret.

B♭dim chord on Piano

B♭dim chord on piano: B♭, D♭, F♭

Play B♭, D♭ and F♭ together with your right hand, and B♭ (the root) in your left. To move between chords smoothly, try inversions: keep the notes shared with the next chord and move the others the shortest distance.

Songs with the B♭dim chord

B♭dim appears in 38 songs on Yalle Media. The newest:

Related chords

Other Bb chords:

Chords in the key of B♭ major:

B♭dim chord: questions

What notes are in the B♭dim chord?

B♭dim (Bb diminished) is made of B♭, D♭ and F♭ (1 – ♭3 – ♭5).

How do you play B♭dim on guitar?

The most common shape is x12320 (from the low E string to the high E string; x = don’t play, 0 = open string).

How do you play B♭dim on ukulele?

Play 3101 (strings G, C, E, A; 0 = open string).

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