B dominant seventh piano chord - B7

The B dominant seventh chord is a 4-note chord consisting of the notes B, D#, F# and A.
You can see these notes highlighted in the interactive piano chart below.
The chord itself is often abbreviated as B7.

Interactive piano diagram for the B dominant seventh chord

Piano keyboard displaying the B dominant seventh chord with the notes Cb B A D# Eb F# Gb

Extended Chords

Chords that are a superset of B7. The chords include more notes but always B, D#, F# and A.

Reduced chords

Chords that are a subset of B7. These contain less notes but all of them are included in B7.

B dominant seventh 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 B7 chord. Feel free to save or share the image as needed.

Piano chord chart for the B dominant seventh chord (B7). The notes B, D#, F# and A are highlighted.