What notes are in a Fdim chord?

Fdim is F, Ab, Cb: the 1, ♭3, ♭5 of F.

How do you play Fdim on guitar?

5th String Root Diminished Triad: x 8 9 10 9 x (low E to high E, x = don't play the string).

Guitar chord · Diminished

Fdim chord (F Diminished)

Tense, unstable triad built of two stacked minor 3rds.

Notes FAbCb

Formula 1 ♭3 ♭5

Shapes 1 on this page

Fdim chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, F.

5th String Root Diminished Triad x 8 9 10 9 x

Interactive chord diagram

Fdim on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E ✕ ✕

Tap any note to hear it.

Scales to play over Fdim

These scales start on F and contain every note of the chord, so they fit when Fdim is the chord of the moment.

F Blues F Locrian F Altered F Half-Whole Diminished F Whole-Half Diminished F Hungarian Minor F Locrian Natural 2 F Locrian Natural 6 F Ukrainian Dorian F Lydian #2 F Ultralocrian F Dorian b5 F Lydian b3 F Lydian Augmented #2 F Locrian bb7 F Lydian #2 #6 F Hungarian Major

Fretwise · Free on iPhone & Android

Practise Fdim and every other chord anywhere, even offline.

This page is a small slice of Fretwise. The app adds practice: exercises that play as tab, a new routine every day, and the tools to tune and keep time. On iPhone, iPad and Android, no sign-up.

Get it free onGoogle Play Download on theApp Store

Free

65 scales and 56 chord types in every key, with CAGED shapes
A tuner with 10 tunings and a metronome from 30 to 260 BPM
A new Daily 15 routine every day, plus free exercises
Maqam & makam between the frets, and the Name the Note quiz

One purchase

282 exercises that play as tab, and routines with a speed trainer
Chord & Scale Finder: tap the neck, get the name
Theory Lab and the Progression Builder with 51 genre loops
No subscription, ads removed

Questions

What notes are in a Fdim chord?: Fdim is F, Ab, Cb: the 1, ♭3, ♭5 of F.
How do you play Fdim on guitar?: 5th String Root Diminished Triad: x 8 9 10 9 x (low E to high E, x = don't play the string).
What scale goes with Fdim?: Scales on F that contain every note of Fdim: F Blues, F Locrian, F Altered, F Half-Whole Diminished, F Whole-Half Diminished, F Hungarian Minor.

Diminished chords in every key

Cdim C#dim Ddim Ebdim Edim Fdim F#dim Gdim Abdim Adim Bbdim Bdim