Guitar arpeggio

C# Diminished 7 Guitar Arpeggio

C# Diminished 7 is a four-note seventh-chord arpeggio built from C#, E, G, and A#. It is also commonly called C# Fully Diminished 7. Use it to study chord tones, interval formulas, and guitar fretboard positions.

Chord tones
C#EGA#
Formula
1 b3 b5 bb7
Semitones
0 3 6 9
Chord symbols
C#dim7
Also called
C# Fully Diminished 7

How to read this arpeggio

The chord tones are shown as pitch classes first. In the fretboard tool, square markers represent C# root notes, while circular markers represent the remaining tones in the arpeggio.

Use the interactive fretboard to locate the C# root notes and connect the remaining diminished 7 chord tones across standard tuning.

This same arpeggio shape is also commonly called C# Fully Diminished 7.

Fretboard diagram

C# Diminished 7 Guitar Arpeggio fretboard diagram in standard tuning C# Diminished 7 Guitar Arpeggio fretboard diagram in standard tuning

Open this arpeggio in the fretboard tool

Start with C# Diminished 7 loaded, then adjust tuning, labels, colors, fret count, and orientation.

Open in interactive fretboard

Arpeggio diagrams by tuning