Chord · 11ths

B♭m11 — B♭ Minor 11th

B♭m11 is the B♭ minor 11th chord. It is built on the root B♭ with minor 3rd (D♭), perfect 5th (F), minor 7th (A♭), major 9th (C) and perfect 11th (E♭) above it — the formula 1 ♭3 5 ♭7 9 11, sounding the notes B♭ D♭ F A♭ C E♭. On the piano it sits at Bb (octave 3) and above in the library's voicing; the same 6 notes in any octave are still B♭m11.

Root
B♭
Quality
Minor 11th
Formula
1 ♭3 5 ♭7 9 11
Notes
B♭ D♭ F A♭ C E♭

On the keyboard

B♭m11 on the piano keyboard: B♭ D♭ F A♭ C E♭B♭D♭FA♭CE♭

The notes of B♭m11

DegreeNoteInterval from the rootPitch
1B♭rootB♭3
♭3D♭minor 3rdD♭4
5Fperfect 5thF4
♭7A♭minor 7thA♭4
9Cmajor 9thC5
11E♭perfect 11thE♭5

Other 11ths on B♭

Minor 11th chords on every root

Part of the chord reference. See also the scales and the keys.