Also Cdim7, D#dim7

F#dim7 (F# diminished 7th): F# A C E♭. Formula 1 ♭3 ♭5 ♭♭7. Also Cdim7, D#dim7, Adim7. Minor 3rds stacked all the way: symmetrical and very tense, it works as a passing chord and as a dominant with a ♭9.

Made of4

Notes4

Contains & part of20

Scales that contain it20

Inversions4

  • F#dim77

    Root position · F# A C E♭

  • F#dim7/A6/5

    1st inversion · A C E♭ F#

  • F#dim7/C4/3

    2nd inversion · C E♭ F# A

  • F#dim7/E♭4/2

    3rd inversion · E♭ F# A C

Relatives8

Same notes, other names3

Type1

Genres that use it4

Where it goes13

One small move away12

Its dominant1