C eleventh piano chord - C11

The C eleventh chord is a 5-note chord consisting of the notes C, G, Bb, D and F.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as C11.

Interactive piano diagram for the C eleventh chord

Piano keyboard displaying the C eleventh chord with the notes B# C G A# Bb D E# F

Extended Chords

Chords that are a superset of C11. The chords include more notes but always C, G, Bb, D and F.

Reduced chords

Chords that are a subset of C11. These contain less notes but all of them are included in C11.

Related Topics

C eleventh piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the C11 chord. Feel free to save or share the image as needed.

Piano chord chart for the C eleventh chord (C11). The notes C, G, Bb, D and F are highlighted.