The F-sharp diminished seventh chord (abbreviated "F#dim7 chord") is a four-note chord consisting of the notes F, A, C, and E. The chord is formed by adding a diminished seventh to a F-sharp diminished chord.

Name
F-sharp diminished seventh chord
Synonym
F-sharp fully diminished chord
Notes
F A C E
Intervals
1 3 5 7
Chord symbol
Fo7
Alternative symbols
Fdim7 Fdim Fo
Type
Tetrad (four-note chord)

F#dim7 chord on piano

F#dim7 chord on guitar

F#dim7 chord on ukulele

F#dim7 chord on the staff