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Bdim7

Dim 7 · B – D – F – A♭

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hear it, browse voicings, or tap notes to name any chord

Guitar voicings

4frEADGBeBDA♭BFA♭
756464
4frEADGBeBDA♭BFB
756467
4frEADGBeBDA♭DFA♭
756764
EADGBeBA♭F
x20101

Piano

C4BC5DFC6

About the Bdim7 chord

The Bdim7 chord (dim 7) is made up of 4 notes — B is the root, D the minor third, F the diminished fifth and A♭ the diminished seventh. Four notes sit a minor third apart in a fully symmetrical stack, so it can slide anywhere.

On guitar, Bdim7 chords sit higher up the neck: 756464, around the 4th fret. All six strings sound. The diagrams above show 4 playable voicings in all.

Diminished seventh chords are symmetrical and restless, handy for dramatic passing motion.

Open Bdim7 in the interactive finder →

Common questions

What notes are in the Bdim7 chord?
The Bdim7 chord contains the notes B, D, F and A♭.
How do you play Bdim7 on guitar?
A common shape is 756464. The diagrams above show 4 playable voicings you can strum or hear.
What intervals make up the Bdim7 chord?
The Bdim7 chord is built from the root (B), a minor third (D), a diminished fifth (F) and a diminished seventh (A♭).

More than a chord chart

The chart above is just the start. Open Bdim7 in the finder to hear it on guitar and piano and browse every playable voicing side by side. Or switch to Name my chord — tap frets or keys and MobileChords identifies the chord you're playing, inversions and slash chords included.