Major Ninth Chord

The major ninth chord extends the major seventh with a ninth, creating a lush, sophisticated sound central to jazz and R&B. It conveys spaciousness, warmth, and harmonic richness.

Symbol: maj9, M9, △9   Formula: 1-3-5-7-9   C Major Ninth Chord: C – E – G – B – D

Harmonic character: lush

Choose a Root

Interval Formula

Degree Interval Semitones from Root Note (C Major Ninth Chord)
1 Root (1) 0 C
3 Major 3rd (3) 4 E
5 Perfect 5th (5) 7 G
7 Major 7th (7) 11 B
9 Major 9th (9) 14 D

Related Chords

Common Progressions