An 11th chord is an extended chord built by adding a sixth note to a seventh chord. The interval stack looks like this: root, major third, perfect fifth, minor seventh, major ninth, and perfect eleventh. On a C note, that’s C–E–G–B–D–F#. The 11th (in this case F#) sits just a half-step above the major seventh and creates a suspended, unresolved tension that wants to resolve down to the major third.
In practical terms, an 11th chord sounds sophisticated and jazz-inflected. It’s not a beginner chord—it requires thoughtful voicing because including all six notes at once can sound muddy, especially on guitar where string spacing creates its own harmonic character. You’ll see them written as C11, Cm11, C7#11, or C11b9 depending on the quality and alterations needed.
How do you play 11th chords on guitar?
The trick to 11th chords on guitar isn’t stacking all six notes—it’s choosing which ones to leave out. Most guitar voicings omit the third (which defines major or minor quality) or the fifth to keep the chord from sounding thick or dark. The 11th itself lives naturally on frets 8–12 across the fretboard, typically on the D or A strings.
C11 voicing (basic jazz style)
Position your first finger on fret 8 of the A string (the 11th—F#). Add fret 10 on the D string (the ninth—D). Then grab fret 8 on the high E string (the root—C). Strum across those three strings. This gives you root, ninth, and eleventh without the third or fifth—clean and spacious. If you want the seventh included, add fret 11 on the G string (B).
Cmaj11 voicing (brighter, more open)
Leave the open strings ringing where they fit the chord. A Cmaj11 voicing might use the open A string (root), fret 5 on the D string (major ninth), fret 7 on the G string (third), fret 8 on the B string (eleventh), and fret 8 on the high E string (root). This spreads the chord across six strings and creates an open, airy texture that works well in ambient or modern pop contexts.
Cm11 voicing (minor flavor)
Start with fret 3 on the A string (Eb, the minor third). Add fret 8 on the D string (F#, the 11th). Add fret 8 on the high E string (C, the root). This three-string voicing captures the minor quality plus the suspended extension without excess bulk.
Common 11th chord voicings
Extended chords on guitar typically live in two worlds: jazz voicings (which stack intervals tightly) and open voicings (which spread them across the fretboard). For 11th chords specifically, the most playable positions cluster around frets 7–12 because the 11th interval sits comfortably there relative to the root.
A three-string voicing is the workhorse for guitar. Root + ninth + eleventh, played cleanly with space between notes, signals an 11th chord to the ear without needing every note of the full chord. Add a seventh if the harmonic context demands tension; omit it if you want clarity.
Four-string voicings are common in jazz rhythm playing. You might voice a Cmaj11 as C (root) on the low A string, E (third) on the D string, B (seventh) on the G string, and F# (11th) on the B string. That covers all the key harmonic notes in a logical span and sits under a lead instrument cleanly.
When to use 11th chords
11th chords belong in jazz standards, funk grooves, R&B ballads, and modern pop production. They signal sophistication and open space—exactly the feeling you want in a McCoy Tyner-style comping pattern or a Prince-influenced funk loop.
Use them over a vamp when you want a suspended, questioning sound. The 11th—that natural sixth interval from the root—creates ambiguity between resolution and tension. Play a Cmaj11 and hold it; the listener anticipates a move but isn’t sure where. That’s useful drama.
Avoid 11th chords in styles that prize tight, stacked triads—traditional country, power chord rock, or beginner-focused teaching contexts. They can muddy the harmonic picture if your voicing includes both the major third and the 11th without space or intention.
Learn guitar chord theory to understand why certain voicings work better than others, and check out chord voicings on the tool to visualize these shapes before drilling them.
Frequently Asked Questions
What’s the difference between a 9th chord and an 11th chord?
A 9th chord adds a major second (one octave up) to a seventh chord. An 11th chord adds both a ninth and an 11th (a sixth interval up from the root). An 11th is a fuller, more extended sound because it includes more of the harmonic series.
Can you play an 11th chord without the 11th?
Technically, yes—you’d just have a 9th chord. But the point of calling it an 11th chord is the 11th itself. If you voice one without the 11th, listeners hear a different chord quality. Voicing is everything: the notes you include (and exclude) define what chord you’re actually playing.
Do I need to memorize every 11th voicing?
No. Learn two or three voicings that sit under your fingers easily, then understand why they work (which notes you’re emphasizing). That understanding transfers to voicings you haven’t drilled yet.
Daniel Murphy is a guitar theory and chord analysis writer at GuitarChordIdentifier. He focuses on chord recognition, guitar harmony, music theory, and interactive learning tools for guitarists, musicians, songwriters, and beginners.