Fdim chord (F diminished) on guitar
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 chord shapes
Fingers: 3 on D, 1 on G, 2 on e.
Fingers: 1 on E, 3 on A, 4 on D, 2 on G.
Fingers: 1 on D, 2 on G, 3 on e.
Fingers: 1 on D, 2 on G, 4 on B, 3 on e.
Fingers: 1 on A, 2 on D, 4 on G, 3 on B.
Fingers: 4 on A, 1 on D, 2 on B, 3 on e.
Hear it and see every shape in ScaleSpace →
| 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 neck
Guitar · 6-string, tuned low to high: E, A, D, G, B, e. 24 frets.
- E string: fret 1 F (1), fret 4 Ab (flat 3), fret 7 Cb (flat 5), fret 13 F (1), fret 16 Ab (flat 3), fret 19 Cb (flat 5).
- A string: fret 2 Cb (flat 5), fret 8 F (1), fret 11 Ab (flat 3), fret 14 Cb (flat 5), fret 20 F (1), fret 23 Ab (flat 3).
- D string: fret 3 F (1), fret 6 Ab (flat 3), fret 9 Cb (flat 5), fret 15 F (1), fret 18 Ab (flat 3), fret 21 Cb (flat 5).
- G string: fret 1 Ab (flat 3), fret 4 Cb (flat 5), fret 10 F (1), fret 13 Ab (flat 3), fret 16 Cb (flat 5), fret 22 F (1).
- B string: fret 0 Cb (flat 5), fret 6 F (1), fret 9 Ab (flat 3), fret 12 Cb (flat 5), fret 18 F (1), fret 21 Ab (flat 3), fret 24 Cb (flat 5).
- e string: fret 1 F (1), fret 4 Ab (flat 3), fret 7 Cb (flat 5), fret 13 F (1), fret 16 Ab (flat 3), fret 19 Cb (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 guitar?
The easiest shape is xx3101. Fingers: 3 on D, 1 on G, 2 on e.
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.