F#
F
F#
G
G#
A
X
C
C#
D
D#
E
A
G#
A
A#
B
C
F#
D#
E
F
F#
G
C
A#
B
C
C#
D
F#
F
F#
G
G#
A
1
2
3
4
5

F#dim

Diminished

Also known as: Gbdim

About this chord

F#dim (F# diminished, F#°) has a tense, eerie, and anxious color—dark, suspenseful, and slightly haunting. Heard in jazz harmony and cinematic scores, it also spices rock and pop turnarounds with a mysterious, noir mood. On guitar it’s a compact, movable shape but not beginner-friendly; on piano its stacked-minor-third symmetry enables sophisticated jazz voicings. Often used for leading-tone function and chromatic passing motion, it builds unresolved tension that resolves to G or F# minor, perfect for dramatic transitions and suspenseful cues.

Intervals
1♭3♭5
Tuning
StandardE B G D A E
Position Frets 1 - 5
Tags
base