C Minor 11th
Hear the C Minor 11th chord played for you.
Cm11
C – E♭ – G – B♭ – D – F
Formula:R-m3-P5-m7-M9-P11
Intervals:P1-m3-P5-m7-M9-P11
Scale Degrees:1-b3-5-b7-9-11
Introduction
The C Minor 11th chord is a six-note chord made up of C, E♭, G, B♭, D, and F. It is built from a root, minor third, perfect fifth, minor seventh, major ninth, and perfect eleventh.
The C Minor 11th piano chord (Cm11) consists of the notes C, Eb, G, Bb, D, F. It is a minor 9th chord with an added perfect 11th, giving it a dark and expansive character commonly used in jazz, funk, and soul. Formula: R-m3-P5-m7-M9-P11 | Scale degrees: 1-b3-5-b7-9-11.
Notes
Key Signature
The key of C Minor 11th has 3 flats.
B♭E♭A♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of C Minor
These are the diatonic triads built on each degree of the C minor scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
i — C Minor (minor)
Theory: Intervals
Formula: R-m3-P5-m7-M9-P11
Intervals: P1-m3-P5-m7-M9-P11
The C Minor 11th is built by stacking intervals from the root note. The formula R-m3-P5-m7-M9-P11 describes the scale degrees used. The intervals P1-m3-P5-m7-M9-P11 show the distance between each note in the chord.
C Minor 11th — Frequently Asked Questions
What notes are in the C Minor 11th chord?
The C Minor 11th chord (Cm11) contains six notes: C, Eb, G, Bb, D, F. It is Cm9 with an added eleventh. Unlike dominant 11ths, the minor third (Eb) does not clash with the eleventh (F) — they are a whole step apart, so all notes can be played.
How does Cm11 differ from C11?
Cm11 has a minor third (Eb). C11 has a major third (E, usually omitted). Cm11 is dark, smooth, and full; C11 is dominant with a suspended quality.
How does Cm11 differ from Cm9?
Cm11 adds the eleventh (F) to Cm9. The eleventh adds warmth and fullness without the clash that occurs in major or dominant 11ths.
How is Cm11 used in music?
Cm11 is a staple of jazz, neo-soul, funk, and lo-fi. It is often used as the ii chord in Bb Major (Cm11–F13–Bbmaj9) or as a rich i chord in C minor. Its dark, full sound defines modern jazz piano.
What songs use Minor 11th chords?
Minor 11th chords are essential in neo-soul and modern jazz. Herbie Hancock, Robert Glasper, and D'Angelo use m11 voicings extensively. The So What voicing (stacked fourths) is essentially a m11 sound.
Do I need to play all six notes?
You can, but dropping the fifth gives a cleaner voicing: C–Eb–Bb–D–F. Unlike dominant 11ths, all notes work together in minor 11ths.
Practice Tips
- Cm11 has no internal clash — unlike dominant 11ths, you can play all the notes. The minor third and eleventh are a whole step apart.
- The So What voicing (D–G–C–F–Bb, stacked fourths) is essentially a Cm11 sound — practice this iconic shape.
- Cm11 is a neo-soul and lo-fi essential — loop it for instant dark atmosphere.
- Practice Cm11 → F13 → Bbmaj9 for the lush ii–V–I in Bb.
- Drop the fifth: C–Eb–Bb–D–F is the practical voicing.
- Compare Cm11 with Cm9 — the eleventh adds warmth and fullness.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.