Half-Diminished Chord
Half-Diminished Chord (Minor 7b5)
The half-diminished chord is simply the diminished chord with the b7th note added.
Let’s use the C diminished chord to show this:
C diminished
C half-diminished / Cm7b5
Half-diminished Chord Formula:
The half-diminished chord formula is 1-b3-b5-b7 (i.e. the Root, b3rd, b5th, and b7th notes).
You can use MusicWheels™ to discover all the other half-dimished chords and their notes.
Guitar Diagrams
Half-Diminished Chords - CAGED - Across the Fretboard
The diagrams below show the generic CAGED shapes for half-diminished chords.
The violet note is the root note of the chord, for example:
– if you wish to play the A half-dim chord then the violet root note will be the note of A
– if you wish to play the D half-dim chord then the violet root note will be the note of D and so on.
Keyboard Diagrams
