Want to learn how to play a B diminished chord? This complete guide shows you how to make and play a B diminished chord on any instrument. Whether you're searching for "how to play b dim", "b chord", or "how to make a b chord" - you'll find the notes, formula, and fingering diagrams you need.
How to Make & Play a B Diminished Chord
Chord Formula
1 ♭3 ♭5
Solfege Names
Si - Re - Fa
B Major Scale (Chord Formula Reference)
Steps: W W H W W W H
Chord formulas reference degrees from this scale (e.g., 1-3-5 = B-D#-F#)
How to Build a B Diminished Chord: Step-by-Step
B Diminished Chord Notes and Formula
Learn how to construct this chord using the chord formula
Start with the root note
Begin with B as your foundation note.
Apply the diminished formula
Use the chord formula: 1 ♭3 ♭5 (scale degrees from the major scale)
Result: Bdim chord
Your complete chord contains: B, D, F
How to Play B Diminished Chord on Guitar and Piano
Instrument Fingering Diagrams
Learn multiple ways to play the B diminished chord on different instruments
How to Play B Diminished on Guitar
To play a B diminished chord on guitar, you'll need to fret the notes B, D, F. Click below to see multiple guitar chord shapes and fingering positions for the B diminished chord.
How to Play B Diminished on Piano
On piano, play the B diminished chord by pressing the keys for B, D, F together. You can play this chord in any octave, and try different inversions by rearranging the note order while keeping all the chord tones.
Other Instruments
The B diminished chord can be played on any instrument. Use the notes B, D, F as your guide.