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F#dim7 chord (F sharp diminished seventh) on piano

F#dim7 (F sharp diminished seventh) has four notes: F sharp, A, C and E flat. Its formula is 1, b3, b5, bb7.

F#dim7 inversions and fingering

ACF#Eb
Root position
F# A C Eb · RH 1-2-3-5 · LH 5-3-2-1
ACEbF#
First inversion
A C Eb F# · RH 1-2-3-5 · LH 5-3-2-1
CAEbF#
Second inversion
C Eb F# A · RH 1-2-3-5 · LH 5-3-2-1
ACEbF#
Third inversion
Eb F# A C · RH 1-2-3-5 · LH 5-3-2-1
AF#Eb
Shell (left hand)
F# A Eb · LH 5-3-1

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F#dim7 chord facts
SymbolF#dim7
Also writtenF#°7, F#o7
NotesF# A C Eb
Formula1 b3 b5 bb7
Intervalsroot, minor third, tritone, major sixth
TypeDiminished seventh chord

F#dim7 across the keyboard

C3C4C5Cb5Ab3Cb5Ab3Cb5Ebbb7F#1Ebbb7F#1

Piano, C3 to C5. Notes in this scale, low to high: C3 (flat 5), Eb3 (double flat 7), F#3 (1), A3 (flat 3), C4 (flat 5), Eb4 (double flat 7), F#4 (1), A4 (flat 3), C5 (flat 5).

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Questions

What notes are in the F#dim7 chord?

F#dim7 (F sharp diminished seventh) has four notes: F sharp, A, C and E flat. Its formula is 1, b3, b5, bb7. F# is the root, A is the minor third, C is the tritone and Eb is the major sixth.

How do you play F#dim7 on piano?

Play F#, A, C and Eb together. Root position: F# A C Eb · RH 1-2-3-5 · LH 5-3-2-1.

What is the difference between F#dim7 and F#dim?

F#dim7 is F#dim (F#, A and C) with Eb, the double flat 7th, added.