Fdim
Fdim is the f diminished chord, spelled F – A♭ – C♭. tense and unstable by design — built from stacked minor thirds, it begs to resolve.
The keys
F – A♭ – C♭
Practise this chord
Plug in your MIDI keyboard and let Coach Tshepho drill you on Fdim — it plays the chord, names any wrong notes as you play, and moves you on when you nail it.
Create your free account →What's inside Fdim
| Note | Interval from root | Degree |
|---|---|---|
| F | Root | 1 |
| A♭ | Minor 3rd | b3 |
| C♭ | Diminished 5th | b5 |
Inversions
| Position | Keys (low → high) |
|---|---|
| Root position | F4 – A♭4 – B4 |
| 1st inversion | A♭4 – B4 – F5 |
| 2nd inversion | B4 – F5 – A♭5 |
A working voicing
Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:
| Hand | Keys |
|---|---|
| Left (shell) | F2 – F3 |
| Right (colour) | A♭4 – B4 |
Where Fdim lives
As the I chord
Fdim → B♭ → C → Fdim
The classic I–IV–V–I motion with this chord as home.
In a ii–V–I
Gm7 → C7 → Fdim
The strongest cadence in harmony, resolving onto this chord.
Put Fdim under your fingers
Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.
Open the Chord & Voicing Lab →Worship songs that use Fdim
Nkosi Sihlangene · Spirit Of Praise 6 feat. Dumi Mkokstad
Ungu’Nkulukulu · Takie NdouMore F chords
F
Fm
Faug
Fsus2
Fsus4
F6
Fm6
F7
Fmaj7
Fm7
Fm7♭5
Fdim7
Fm(maj7)
F9
Fmaj9
Fm9
Fadd9
F6/9
Fm11
F13
F7♭9
F7♯9
F7♯5Play it over a groove
Free worship grooves & loops →