Master the F#dim Guitar Chord: Interactive Practice & Ear Training

F# dim position 1 guitar chord diagram

Looking for F diminished, one fret lower? Visit Fdim.

What is in F#dim, the F# diminished chord? The notes are F#, A and C. The outer notes are a diminished fifth apart, the tritone, which splits the octave exactly in half. The lowest voicing starts at fret 2 and the highest reaches fret 16.

Melodies over F#dim can draw on the F# Locrian scale, which contains every note of the chord. To see where each of these intervals falls on the neck, work through intervals on the fretboard. Turn on the note labels in the interactive fretboard at the top to read the name of every note under your fingers.

F# diminished guitar chord is also written as F#dim, F#°, F#m(b5) or F#mb5.

F#dim Chord Notes and Formula

F# dim chord Notes:

F# A C

Tones in the Diminished chord:

Formula: 1 b3 b5

Same chord, different name: F#dim is also written as Gbdim (Gb diminished).

F#dim Chord Interactive Fretboard

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Go to the full guitar chords tutorial.

F#dim Guitar Chord Diagrams

Position 1 Barre Movable

F# dim position 1 guitar chord diagram

F# Diminished Finger Positions

  • Mute the B string
  • Mute the high E string
  • Place your index finger (1) on the fret 2 of the low E and G strings at the same time
  • Place your middle finger (2) on the fret 3 of the A string
  • Place your ring finger (3) on the fret 4 of the D string

Position 2 Movable

F# dim position 2 guitar chord diagram

F# Diminished Finger Positions

  • Mute the low E string
  • Mute the A string
  • Place your index finger (1) on the fret 4 of the D string
  • Place your middle finger (2) on the fret 5 of the G string
  • Place your ring finger (3) on the fret 5 of the high E string
  • Place your pinky finger (4) on the fret 7 of the B string

Position 3 Movable

F# dim position 3 guitar chord diagram

F# Diminished Finger Positions

  • Mute the low E string
  • Mute the high E string
  • Place your index finger (1) on the fret 9 of the A string
  • Place your middle finger (2) on the fret 10 of the D string
  • Place your ring finger (3) on the fret 11 of the G string
  • Place your pinky finger (4) on the fret 10 of the B string

Position 4 Movable Slash Chord

F# dim position 4 guitar chord diagram (F#dim/A slash chord)

F#/A Diminished Finger Positions

  • Mute the low E string
  • Mute the A string
  • Mute the high E string
  • Place your index finger (1) on the fret 5 of the G string
  • Place your ring finger (3) on the fret 7 of the D string
  • Place your pinky finger (4) on the fret 7 of the B string

The lowest note is A, not the root, so this voicing is the slash chord F#dim/A.

Position 5 Movable

F# dim position 5 guitar chord diagram

F# Diminished Finger Positions

  • Mute the A string
  • Mute the high E string
  • Place your index finger (1) on the fret 13 of the B string
  • Place your middle finger (2) on the fret 14 of the low E string
  • Place your ring finger (3) on the fret 14 of the G string
  • Place your pinky finger (4) on the fret 16 of the D string

Position 6 Slash Chord Open

F# dim position 6 guitar chord diagram (F#dim/A slash chord)

F#/A Diminished Finger Positions

  • Mute the low E string
  • Let the A string play without pressing any fret
  • Place your index finger (1) on the fret 4 of the D string
  • Place your middle finger (2) on the fret 5 of the G string
  • Place your ring finger (3) on the fret 5 of the high E string
  • Place your pinky finger (4) on the fret 7 of the B string

The lowest note is A, not the root, so this voicing is the slash chord F#dim/A.

download this tutorial in pdf Find more shapes in our all guitar chords online library. If you prefer a printable pdf, download the Free Guitar Chords Chart Pdf

Chords That Go With F#dim

One key where F#dim fits is G major, where it works as the vii chord. These are the main chords of that key, the ones you will often hear around it:

I · G ii · Am iii · Bm IV · C V · D vi · Em

See every key in the guitar keys chart, or build a progression with these chords in the chord progression generator.

More F# Chords

F# F#m F#7 F#m7 F#maj7 F#sus4 F#sus2 F#add9 F#9 F#6 F#aug F#m6 F#7sus4 F#dim7

Want to know how this chord is built? Read diminished and half-diminished chords, or browse all F# guitar chords.

Play This Chord With Other Roots

C dim | D dim | E dim | F dim | G dim | A dim | B dim | C#dim | D#dim | F#dim | G#dim | A#dim | Abdim | Bbdim | Dbdim | Ebdim | Gbdim

Giancarlo Facoetti, founder of FaChords Guitar

Created by

Giancarlo Facoetti

Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher

FAQ

What notes form the F#dim chord?

F#dim has F#, A and C. These are the root, the minor third and the flat fifth. The C is six semitones from F#, which is the diminished fifth.

What does the flat fifth do to the F# diminished chord?

A normal F# minor triad has C#. F#dim flattens it to C, a tritone from the root. That lost perfect fifth is why the chord sounds tense and wants to resolve.

Which key makes F#dim the vii chord?

F#dim is the vii chord of G major. Its notes F#, A and C are all in that key, on the seventh degree, and it commonly leads up to G.

Which scale covers F#dim?

The F# Locrian scale: F#, G, A, B, C, D, E. All three chord tones appear in it, so you can improvise over F#dim without leaving the scale.

How many ways can F#dim be played on guitar?

There are 6 voicings. One uses an open string and one uses a barre. The lowest sits at fret 2 and the highest reaches fret 16.