Fdim chord (F diminished) on piano
Fdim (F diminished) has three notes: F, A flat and C flat. Its formula is 1, b3, b5. In major keys, Fdim is the vii° chord in F# major.
Fdim inversions and fingering
F Ab Cb · RH 1-3-5 · LH 5-3-1
Ab Cb F · RH 1-2-5 · LH 5-3-1
Cb F Ab · RH 1-3-5 · LH 5-2-1
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| Symbol | Fdim |
|---|---|
| Also written | F°, Fo |
| Notes | F Ab Cb |
| Formula | 1 b3 b5 |
| Intervals | root, minor third, tritone |
| Type | Diminished chord |
Fdim across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: F3 (1), Ab3 (flat 3), Cb3 (flat 5), F4 (1), Ab4 (flat 3), Cb4 (flat 5).
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Questions
What notes are in the Fdim chord?
Fdim (F diminished) has three notes: F, A flat and C flat. Its formula is 1, b3, b5. F is the root, Ab is the minor third and Cb is the tritone.
How do you play Fdim on piano?
Play F, Ab and Cb together. Root position: F Ab Cb · RH 1-3-5 · LH 5-3-1.
What key is Fdim in?
In major keys, Fdim is the vii° chord in F# major. It is diatonic to those keys, so it fits songs in any of them.
What is the difference between Fdim and Fm?
Fdim is Fm with its 5th lowered a half step, from C to Cb. That flat 5th is what gives it its tense sound.