Piano chord

F Diminished Piano Chord (Fdim)

The F Diminished chord on piano is made of the notes F, A♭ and C♭. Tense and unstable. Often used as a passing chord.

F Diminished chord on a piano keyboard: F, A♭, C♭ C5C6 F A♭ C♭

Fdim F – A♭ – C♭

Tap any key to hear it.

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What notes are in F Diminished?

3 notes, built 1 – ♭3 – ♭5 up from F.

Notes
F – A♭ – C♭
Formula
1 – ♭3 – ♭5
Semitones from the root
0 – 3 – 6
Symbol
Fdim
Chord type
Diminished, 3 notes

How to play F Diminished on piano

  • Right hand: F (1), A♭ (3), C♭ (5). Fingers 1 – 3 – 5, thumb on F.
  • Left hand: F (5), A♭ (3), C♭ (1). Fingers 5 – 3 – 1, little finger on F.

Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.

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F Diminished inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: Fdim/A♭, Fdim/C♭.

F Diminished root position on piano: F, A♭, C♭ F A♭ C♭
Root position Fdim F – A♭ – C♭ RH 1 – 3 – 5 · LH 5 – 3 – 1
F Diminished 1st inversion on piano: A♭, C♭, F A♭ C♭ F
1st inversion Fdim/A♭ A♭ – C♭ – F RH 1 – 2 – 5 · LH 5 – 3 – 1
F Diminished 2nd inversion on piano: C♭, F, A♭ C♭ F A♭
2nd inversion Fdim/C♭ C♭ – F – A♭ RH 1 – 3 – 5 · LH 5 – 2 – 1

Progressions with F Diminished

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

Leading-tone resolution

in F♯ major

  1. IV B
  2. vii° Fdim
  3. I F♯
Leading-tone resolution in F♯ major: B, Fdim, F♯ B D♯ F♯

Minor ii°–V–i

in E♭ minor

  1. ii° Fdim
  2. V B♭
  3. i E♭m
Minor ii°–V–i in E♭ minor: Fdim, B♭, E♭m C♭ F A♭

Can you find F Diminished?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of F Diminished (Fdim)

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

What key is F Diminished in?

The keys whose scale contains every note of Fdim, with the chord’s Roman numeral in each.

Major keys

  • F♯ majorvii°

Minor keys

  • E♭ minorii°

F Diminished chord FAQ

What notes are in the F Diminished chord?

F Diminished (Fdim) has 3 notes: F, A♭ and C♭. Its formula is 1 – ♭3 – ♭5, counted up from F.

How do you play F Diminished on the piano?

Put your right thumb on F and play F, A♭ and C♭ with fingers 1 – 3 – 5. With the left hand, use fingers 5 – 3 – 1, little finger on F.

What are the inversions of F Diminished?

1st inversion: A♭, C♭, F (Fdim/A♭). 2nd inversion: C♭, F, A♭ (Fdim/C♭).

What key is F Diminished in?

Fdim belongs to F♯ major (vii°) and E♭ minor (ii°).

Diminished chords on every root