Dominant Ninth Chord

The dominant ninth chord extends the dominant seventh with a ninth, adding color and richness to one of music's most harmonically active chords. Essential in jazz, blues, and funk.

Symbol: 9   Formula: 1-3-5-♭7-9   C Dominant Ninth Chord: C – E – G – A# – D

Harmonic character: tense

Choose a Root

C Dominant Ninth Chord G Dominant Ninth Chord D Dominant Ninth Chord A Dominant Ninth Chord E Dominant Ninth Chord B Dominant Ninth Chord F# Dominant Ninth Chord F Dominant Ninth Chord Bb Dominant Ninth Chord Eb Dominant Ninth Chord Ab Dominant Ninth Chord Db Dominant Ninth Chord

Interval Formula

Degree Interval Semitones from Root Note (C Dominant Ninth Chord)
1 Root (1) 0 C
3 Major 3rd (3) 4 E
5 Perfect 5th (5) 7 G
♭7 Minor 7th (♭7) 10 A#
9 Major 9th (9) 14 D

Related Chords

dominant seventhmajor ninthminor seventh

Common Progressions