A Piano Chords (Triads & Seventh Chords)

Piano Chords

Chord Root Note: A


triad is a chord having three notes: a root, third, and fifth notes. Learn how to build triad chords.


A major chord: A – C♯ – E
a major triad


A minor chord: A – C – E
a minor triad


A augmented chord: A – C♯ – E♯
a augmented triad


A diminished chord: A – C – E♭
a diminished triad chord


Seventh Chords

seventh chord is a chord having four notes: a root, third, fifth, and seventh notes. Learn how to build seventh chords.


A major seventh chord: A – C♯ – E – G♯
a major 7th chord


A minor seventh chord: A – C – E – G
a minor 7th chord


A dominant seventh chord: A – C♯ – E – G
a dominant 7th chord


A half-diminished seventh chord: A – C – E♭ – G
a half diminished 7th chord


A diminished seventh chord: A – C – E♭ – G♭
a diminished 7th chord


Select a chord root note to see a list of piano chords from that key:

C | C Sharp | D Flat | DD Sharp | E Flat | EF | F Sharp | G Flat | G | G Sharp | A Flat | A | A Sharp | B Flat | B | C Flat