B flat half-diminished piano chord - Bbm7b5

The B flat half-diminished chord is a 4-note chord consisting of the notes Bb, Db, Fb and Ab.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as Bbm7b5.

Interactive piano diagram for the B flat half-diminished chord

Piano keyboard displaying the B flat half-diminished chord with the notes A# Bb Fb E C# Db G# Ab

Reduced chords

Chords that are a subset of Bbm7b5. These contain less notes but all of them are included in Bbm7b5.

B flat half-diminished piano chord chart image

In case you prefer a non-interactive variant of the chord chart, we've embedded a PNG image below that shows the notes for the the Bbm7b5 chord. Feel free to save or share the image as needed.

Piano chord chart for the B flat half-diminished chord (Bbm7b5). The notes Bb, Db, Fb and Ab are highlighted.