B11 (dominant eleventh)

7-note dominant 11th on BB, C♯, D♯, E, F, F♯, A.

Press to hear the chord strummed low to high.

A dominant chord extended all the way to the eleventh — so full it's usually voiced with tones omitted; chords-db's shapes keep the third and eleventh together.

The notes

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

Interval formula

DegreeNoteWhat it is
1Broot
9C♯ninth
3D♯major third
11Eeleventh (perfect fourth)
♯11Fsharp eleventh (tritone)
5F♯perfect fifth
♭7Aflat seventh (dominant)

The formula reads in semitones above the root (B): 1, 9, 3, 11, ♯11, 5, ♭7. A voicing may leave a tone out — often the fifth — but never adds one from outside this set.

Guitar fingerings · 4

213
open position
3
open position
7fr111211
from fret 7
9fr111123
from fret 9

Ukulele fingerings · 4

123
open position
4fr3124
from fret 4
6fr2341
from fret 6
7fr2341
from fret 7

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 B chords

11 (dominant eleventh) chords on every root