C° Piano Chord — Chart, Notes and Inversions

Short answer: C° is a C Diminished chord containing the notes C, E♭, G♭. It has 3 inversions. Use the diagrams below to learn each voicing on the keyboard.

Also known as: Cmb5, Cmo5, C dim, C Diminished

How to Play C° on Piano

C°, Cmb5, Cmo5, Cdim, CDiminished

Notes: C, E♭, G♭

C°, Cmb5, Cmo5, Cdim, CDiminished (1st inversion)

Notes: E♭, G♭, C

C°, Cmb5, Cmo5, Cdim, CDiminished (2nd inversion)

Notes: G♭, C, E♭

Quick Summary

  • The C° chord contains the notes: C, E♭, G♭
  • It has 3 inversions, each rearranging the same notes
  • Also written as: Cmb5, Cmo5, C dim, C Diminished
  • Use the keyboard diagrams above to see exact finger positions

Frequently Asked Questions

What is the C° chord on piano?

C° is a C Diminished chord. It contains the notes C, E♭, G♭. On piano, play these notes simultaneously to sound the chord.

How do you play C° on piano?

To play C° on piano, press the keys C, E♭, G♭ together. The root position uses these exact notes. There are 3 inversions available, each rearranging the same notes in a different order.

What notes are in the C° chord?

The C° chord contains the notes: C, E♭, G♭.

What are the inversions of C°?

C° has 3 inversions. Each inversion rearranges the notes so a different note is at the bottom. The root position starts with the root note, the first inversion moves it to the top, and so on.

What are other names for C°?

C° is also known as Cmb5, Cmo5, C dim, C Diminished. These are different notations for the same chord with the same notes: C, E♭, G♭.