Bdim7 Guitar Chord

Bdim7 is a diminished 7th chord made of B · D · F · A♭. Diminished triad + diminished 7th — a classic passing chord. The standard shape is a barre chord at fret 1: x23131 (6th string → 1st string, x = don't play, 0 = open string).

Chord charts

Bdim7

Fret 1 barre · root on 5th string · x23131

Bdim7

Open position · root on 5th string · x20101

Bdim7

Fret 7 barre · root on 6th string · 789797 · from fret 7

Index finger on string 3 (G), fret 1.
Middle finger on string 1 (e), fret 1.
Ring finger on string 5 (A), fret 2.
Pinky finger on string 4 (D), fret 3.
Pinky finger on string 2 (B), fret 3.
Don't play string 6 (or mute lightly).
Strum down from string 5.

Bdim7 guitar chord chart — fret 1 barre x23131 and 2 more shapes — All Bdim7 shapes on one image — long-press (or right-click) to save it.

Notes in the chord

B
rootD
3rdF
5thA♭
7th

Play it easier with a capo

There's no convenient open shape to capo for this chord — the barre shape is the way to go.

Try it: capo on

Scales that fit

B Locrian Mode

Other B chords

B Bm B7 Bmaj7 Bm7 B6 Bm6 Bsus4 Bsus2 B7sus4 Bdim Bdim7 Bm7b5 Baug Badd9 B9 Bm9 Bmaj9

Diminished 7th chords in other keys

Cdim7 C♯dim7 Ddim7 E♭dim7 Edim7 Fdim7 F♯dim7 Gdim7 A♭dim7 Adim7 B♭dim7 Bdim7

FAQ

What notes are in the Bdim7 chord?

The Bdim7 chord is made of B, D, F, A♭. Diminished triad + diminished 7th — a classic passing chord.

What's the easiest way to play Bdim7 on guitar?

The standard shape, from the 6th string to the 1st, is x23131 (a barre chord at fret 1). Barre with your index finger and form the shape with the other fingers.

Which scale works for soloing over Bdim7?

B locrian fits well.

🎸 Transpose a whole chord sheet — Buskermate
Upload a PDF song sheet and Buskermate reads the chords and moves them to any key or capo position (the app is in Korean for now).