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Guitar chord · Half-Diminished (m7♭5)

F#m7b5 chord (F# Half-Diminished (m7♭5))

Essential bridge chord on the ii degree of minor ii-V-I jazz progressions.

Notes F#ACE
Formula 1 ♭3 ♭5 ♭7
Shapes 2 on this page

F#m7b5 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, F#.

5th String Root Voicing x 9 10 9 10 x
6th String Root Voicing 2 x 2 2 1 x

Interactive chord diagram

F#m7b5 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕ ✕ ✕

Tap any note to hear it.

Scales to play over F#m7b5

These scales start on F# and contain every note of the chord, so they fit when F#m7b5 is the chord of the moment.

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Questions

What notes are in a F#m7b5 chord?
F#m7b5 is F#, A, C, E: the 1, ♭3, ♭5, ♭7 of F#.
How do you play F#m7b5 on guitar?
5th String Root Voicing: x 9 10 9 10 x; 6th String Root Voicing: 2 x 2 2 1 x (low E to high E, x = don't play the string).
What scale goes with F#m7b5?
Scales on F# that contain every note of F#m7b5: F# Blues, F# Locrian, F# Altered, F# Half-Whole Diminished, F# Locrian Natural 2, F# Locrian Natural 6.

Half-Diminished (m7♭5) chords in every key

More F# chords