C9 chord on 6-String Guitar – Open F

in Open F (C-F-C-F-A-F) tuning

Root

Type

Tuning

Dominant 9

Notes:C · E · G · A# · D

mediumbarre on fret 2

Piano Left hand Right hand

Fingerings (16)

C9 shapes as text

Frets	Fingers	Notes	Difficulty
0 2 4 2 5 5	– 1 2 1 3 4	C G E G D A#	medium · barre on fret 2
2 2 4 2 3 5	1 1 3 1 2 4	D G E G C A#	medium · barre on fret 2
0 5 4 5 5 x	– 2 1 3 4 –	C A# E A# D x	medium
0 5 7 5 7 9	– 1 2 1 3 4	C A# G A# E D	hard · barre on fret 5
0 7 10 7 7 9	– 1 3 1 1 2	C C A# C E D	medium · barre on fret 7
0 9 10 9 10 11	– 1 2 1 3 4	C D A# D G E	medium · barre on fret 9
0 2 4 5 5 2	– 1 2 3 4 1	C G E A# D G	medium · barre on fret 2
2 2 4 5 3 2	1 1 3 4 2 1	D G E A# C G	medium · barre on fret 2
0 x 4 5 5 5	– – 1 2 3 4	C x E A# D A#	hard
0 5 7 9 7 5	– 1 2 4 3 1	C A# G D E A#	hard · barre on fret 5
0 7 10 9 7 7	– 1 3 2 1 1	C C A# D E C	medium · barre on fret 7
0 9 10 11 10 9	– 1 2 4 3 1	C D A# E G D	medium · barre on fret 9
0 5 4 2 5 2	– 3 2 1 4 1	C A# E G D G	medium · barre on fret 2
2 5 4 2 3 2	1 4 3 1 2 1	D A# E G C G	medium · barre on fret 2
0 5 4 x 5 5	– 2 1 – 3 4	C A# E x D A#	hard
0 9 7 5 7 5	– 4 2 1 3 1	C D G A# E A#	hard · barre on fret 5

Max fret: 12

Fingerings shown: 16

The C9 chord (Dominant 9) is built from the notes C, E, G, A#, D. Below are playable fingerings for 6-String Guitar – Open F generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.

How the C9 chord is built

Formula: 1 · 3 · 5 · ♭7 · 9

Degree	Semitones	Note
1	0	C
3	4	E
5	7	G
♭7	10	A#
9	14	D

More C chords

C Cm C7 C°C+Cmaj7 Cm7 C7♯5 C7♭5 C6 Cm6 Cm7♭5 C°7 Csus2 Csus4 Cadd9 Cmaj9 Cm9 C5

Other roots

C#9 D9 D#9 E9 F9 F#9 G9 G#9 A9 A#9 B9

See C9 in another tuning

Standard E E-A-D-G-B-E Half Step Down (Eb) D#-G#-C#-F#-A#-D#Drop D D-A-D-G-B-E Open D D-A-D-F#-A-D Open F C-F-C-F-A-F Open G D-G-D-G-B-D DADGAD (D Modal) D-A-D-G-A-D

What notes make up the C9 chord?

C9 is a Dominant 9 chord built from the notes C, E, G, A#, D.

How do I read the diagram?

Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.