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C# Diminished 7th Guitar Chord (C#dim7)

C# Diminished 7th (C#dim7) is built from C#, E, G, Bb, which is the 1P - 3m - 5d - 7d formula measured from the root C#. This page shows 5 fingerings with fretboard diagrams.

Diminished
Notes: C# · E · G · BbIntervals: 1P – 3m – 5d – 7d

Fingerings for C#dim7

C#dim7low E at fret 1, A at fret 2, D at fret 3, G muted, B muted, high E at fret 4
C#dim7low E muted, A at fret 1, D at fret 2, G at fret 3, B at fret 2, high E muted
C#dim7low E muted, A at fret 2, D muted, G at fret 4, B at fret 3, high E at fret 1
C#dim7low E muted, A muted, D at fret 4, G at fret 2, B at fret 1, high E at fret 2
C#dim7low E muted, A muted, D at fret 1, G at fret 2, B at fret 4, high E at fret 2

Notes in C#dim7

  • C#1P
  • E3m
  • G5d
  • Bb7d

How to play C#dim7

C# Diminished 7th Guitar Chord (C#dim7) is unstable and cinematic, used as a passing or tension chord.

Beginner tip

Diminished shapes move in small steps, so keep your hand relaxed and shift rather than stretch.

Practice idea

Slide it up three frets at a time and notice it repeats its own shape.

C#dim7 FAQ

What notes are in C# Diminished 7th?
C# Diminished 7th (C#dim7) contains C#, E, G, Bb. In interval terms that is 1P - 3m - 5d - 7d above the root C#.
How do you play C#dim7 on guitar?
The most common shape here is "C#dim7": low E at fret 1, A at fret 2, D at fret 3, G muted, B muted, high E at fret 4.
Is C#dim7 hard for beginners?
It sits in the diminished family. Diminished shapes move in small steps, so keep your hand relaxed and shift rather than stretch.

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