D9 (dominant ninth)

5-note dominant 9th on DD, E, F♯, A, C.

Press to hear the chord strummed low to high.

A dominant seventh extended with the ninth — funky and full, the sound of a James Brown horn stab.

The notes

Pitches taken from the first fingering below — click any note to open its frequency page.

Interval formula

DegreeNoteWhat it is
1Droot
9Eninth
3F♯major third
5Aperfect fifth
♭7Cflat seventh (dominant)

The formula reads in semitones above the root (D): 1, 9, 3, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

4fr221334
from fret 4
7fr1234
from fret 7
9fr21314
from fret 9
10fr131214
from fret 10

Ukulele fingerings · 4

32
open position
5fr1213
from fret 5
8fr2314
from fret 8
11fr1234
from fret 11

Read a diagram top-down: the thick bar is the nut, dots are where to press (the number is which finger), means play the open string, means don't play it. A bar across strings is a barre.

Other D chords

9 (dominant ninth) chords on every root