B♭dim7
Dim 7 · B♭ – D♭ – F♭ – G
- B♭R
- D♭m3
- F♭♭5
- G♭♭7
hear it, browse voicings, or tap notes to name any chord
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the B♭dim7 chord
The B♭dim7 chord (dim 7) is made up of 4 notes — B♭ is the root, D♭ the minor third, F♭ the diminished fifth and G the diminished seventh. Four notes sit a minor third apart in a fully symmetrical stack, so it can slide anywhere.
On guitar, B♭dim7 chords sit higher up the neck: 645353, around the 3rd 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.
Common questions
- What notes are in the B♭dim7 chord?
- The B♭dim7 chord contains the notes B♭, D♭, F♭ and G.
- How do you play B♭dim7 on guitar?
- A common shape is 645353. The diagrams above show 4 playable voicings you can strum or hear.
- What intervals make up the B♭dim7 chord?
- The B♭dim7 chord is built from the root (B♭), a minor third (D♭), a diminished fifth (F♭) and a diminished seventh (G).
- Is B♭dim7 the same as A♯dim7?
- Yes — B♭ and A♯ are two names for the same pitch (enharmonic equivalents), so B♭dim7 and A♯dim7 are the same chord. MobileChords spells it B♭dim7.
More than a chord chart
The chart above is just the start. Open B♭dim7 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.