B Diminished 7th Guitar Chord

also known as Bdim7, B°7

  • make a barre on the seventh fret with your first finger across all six strings
  • your second finger goes on the eighth fret of the fifth string
  • your third finger goes on the ninth fret of the fourth string
  • your fourth finger goes on the ninth fret of the second string
Diagram of a B diminished 7th guitar barre chord at the 7 fret

Notes in a B Diminished 7th Guitar chord

Root : B

Minor 3rd : D

Tritone : F

6th : G#