Chords in the Key of A Major

The key of A major has 3 sharps (F♯, C♯, G♯). Its scale is A – B – C♯ – D – E – F♯ – G♯, and its chords are A, Bm, C♯m, D, E, F♯m, G♯dim.

The A major scale.

Chords in A major

Degree	Chord	Seventh chord	Notes
I	A	Amaj7 Imaj7	A – C♯ – E
ii	Bm	Bm7 ii7	B – D – F♯
iii	C♯m	C♯m7 iii7	C♯ – E – G♯
IV	D	Dmaj7 IVmaj7	D – F♯ – A
V	E	E7 V7	E – G♯ – B
vi	F♯m	F♯m7 vi7	F♯ – A – C♯
vii°	G♯dim	G♯m7♭5 viiø7	G♯ – B – D

Common chord progressions in A major

I – IV – V – I: A – D – E – A
I – V – vi – IV: A – E – F♯m – D
ii – V – I: Bm – E – A
I – vi – IV – V: A – F♯m – D – E

Related keys

F♯ minor (relative minor, same notes)
A minor (parallel minor, same starting note)
E major (dominant key, a fifth up)
D major (subdominant key, a fifth down)