F#m7b5 is a half-diminished, spelled F#, A, C and E. In Drop D tuning (D2 A2 D3 G3 B3 E4) the easiest shape is 404550, which sits at fret 4, spans 1 fret and lets 2 strings ring open. 12 positions for it are shown below, from the nut up to fret 13.
Notes and intervals
Note
F#
A
C
E
Interval
1P
3m
5d
7m
12 ways to play it
Ordered by how hard they are to fret, easiest first, one per position on the neck. Fret numbers are relative to the position marked beside each grid.
404550sits at fret 4, spans 1 fret and lets 2 strings ring open402210sits at fret 1, spans 3 frets and lets 2 strings ring open402550sits at fret 2, spans 3 frets and lets 2 strings ring openx9109100sits at fret 9, needs a barre across 3 strings at fret 9, lets 1 string ring open and mutes 1 string707570sits at fret 5, spans 2 frets and lets 2 strings ring openx97978sits at fret 7, needs a barre across 3 strings at fret 7 and mutes 1 string1001011100sits at fret 10, spans 1 fret and lets 2 strings ring openx014141314sits at fret 13, spans 1 fret, lets 1 string ring open and mutes 1 stringx37570sits at fret 3, spans 4 frets, lets 1 string ring open and mutes 1 string1401411130sits at fret 11, spans 3 frets and lets 2 strings ring open40455xsits at fret 4, spans 1 fret, lets 1 string ring open and mutes 1 string404210sits at fret 1, spans 3 frets and lets 2 strings ring open
Keys F#m7b5 belongs to
F#m7b5 is diatonic to 8 of the 96 keys this app knows, playing a different role in each.