All Chords

C9

C Dominant 9th — Ukulele Chord

2 voicingsBeginner

Available Tunings

Other C Chords

C6C7CCmCmaj7Cm7CdimCaug

How to Play C9 on Ukulele

The C9 chord is a dominant 9th chord rooted on the note C. Dominant 9th chords sound rich, funky, and colorful. This chord can be played in 2 different positions on the ukulele fretboard. Each voicing produces the same harmony but offers different fingering options — try them all to find which works best for your playing style and the chord transitions in your song.

Beginner Friendly

C9 is a great chord for beginners — the primary voicing uses only 1 finger. Place your finger on the fretboard as shown in the diagram above, making sure each string rings clearly without buzzing.

Expanding from C9

Once you're comfortable with C9, try exploring other chords built on the same root note. C6, C7, C, Cm all share the note C as their foundation but add different harmonic colors. Switching between related chords is a great way to train your ear and expand your musical vocabulary. Practice chord changes at a steady tempo with the metronome, and explore ukulele scales to understand the theory behind these chords.