F9(#11) Chord on Guitar: How To Play the F Dominant Ninth Sharp Eleventh Added chord

F ninth sharp eleven, written F9(#11), contains F, A, C, Eb, G and B.

The B is the sharp eleventh, a tritone above the root, and the Eb is the minor seventh. Try the F Lydian Dominant scale over it: it includes all six chord tones and adds only the sixth, D. Counted from the root F, the notes are 1, 3, 5, b7, 9, #11.

It resolves like a dominant chord, to the chord a fourth above F, which is Bb. The tritone between A and Eb supplies the pull.

F 9th with sharp 11th guitar chord is also written as F9(#11), F9#11 or F9+11.

F9(#11) Chord Notes and Formula

Notes of the F 9(#11) chord:

F A C Eb G B

Chord formula for the Dominant Ninth Sharp Eleventh Added chord:

Formula: 1 3 5 b7 9 #11

F9(#11) Chord Interactive Fretboard

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Chords That Go With F9(#11)

One key where F9(#11) fits is Bb major, where it works as the V chord, an altered chord whose B is borrowed from outside the key. These are the main chords of that key, the ones you will often hear around it:

I · Bb ii · Cm iii · Dm IV · Eb V · F vi · Gm

See every key in the guitar keys chart, or build a progression with these chords in the chord progression generator.

More F Chords

F Fm F7 Fm7 Fmaj7 Fsus4 Fsus2 Fadd9 Fdim F9 F9#5 F9b5 F+(#11) Fm(maj7)

Want to know how this chord is built? Read ninth and add9 chords explained, or browse all F guitar chords.

Play This Chord With Other Roots

C 9(#11) | D 9(#11) | E 9(#11) | F 9(#11) | G 9(#11) | A 9(#11) | B 9(#11) | C#9(#11) | D#9(#11) | F#9(#11) | G#9(#11) | A#9(#11) | Ab9(#11) | Bb9(#11) | Db9(#11) | Eb9(#11) | Gb9(#11)

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Created by

Giancarlo Facoetti

Giancarlo is a musician (teaching guitar since 2000), software engineer, AI consultant and published researcher

FAQ

What are the notes of F9(#11)?

F9(#11) is spelled F, A, C, Eb, G and B. It stacks a major third, perfect fifth, minor seventh, ninth and sharp eleventh over F.

Which scale suits F9(#11)?

The F Lydian Dominant scale has F, G, A, B, C, D and Eb. It contains all six chord tones and adds only D.

Why is B natural the sharp eleventh in F9(#11)?

The perfect eleventh over F is Bb. Raising it by a half step gives B natural, which is why no flat appears on that note.

What kind of chord is F9(#11)?

It is a dominant chord, since it has a major third, A, and a minor seventh, Eb. The ninth and sharp eleventh extend it, and it is often heard in jazz.