Cadd11

4-note added 11th on CC, E, F, G.

Press to hear the chord strummed low to high.

A major triad with the eleventh added and no seventh — the fourth ringing against the third gives it a suspended shimmer.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1Croot
3Emajor third
11Feleventh (perfect fourth)
5Gperfect fifth

The formula reads in semitones above the root (C): 1, 3, 11, 5. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 3

32
open position
5fr43112
from fret 5
7fr2144
from fret 7

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other C chords

add11 chords on every root