F7♯9 (the "Hendrix chord")

5-note dominant 7th sharp 9 on FF, G♯, A, C, D♯.

Press to hear the chord strummed low to high.

The famous "Hendrix chord" — a dominant seventh carrying both the major third and the sharp ninth (an enharmonic minor third), major and minor at once.

The notes

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

Interval formula

DegreeNoteWhat it is
1Froot
♯9G♯sharp ninth
3Amajor third
5Cperfect fifth
♭7D♯flat seventh (dominant)

The formula reads in semitones above the root (F): 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

324
open position
2134
open position
7fr2134
from fret 7
10fr21113
from fret 10

Ukulele fingerings · 4

1243
open position
5fr1412
from fret 5
8fr1214
from fret 8
11fr4213
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 F chords

7♯9 (the "Hendrix chord") chords on every root