Chords in the Key of A Major

A Major is built from A, Bm, C♯m, D, E, F♯m and carries 3 sharps in its key signature. On guitar it is easiest with a capo on fret 2, fingering G shapes.

The 6 chords of A Major

Tap any diagram for a full fingering guide for that chord.

Chord numbers and numerals

Roman numerals are how theory writes a key; Nashville numbers are how session players call one on stage. Both say the same thing — the chord's position in the key, independent of which key you end up in.

NumeralNashvilleChord in A MajorRole
I1AHome chord (tonic)
ii2mBmSets up the V
iii3mC♯mGentle, wistful
IV4DSubdominant
V5EDominant — pulls home
vi6mF♯mRelative minor

More on this in the Nashville number system guide.

Common progressions in A Major

The same handful of progressions carry most of popular music. Here they are written out in this key.

The four-chord song

I – V – vi – IV

The most-used progression in modern pop and worship. If a song feels instantly familiar, it is usually this.

AEF♯mD

The three-chord trick

I – IV – V

Folk, blues, country and early rock live here. Three chords and the truth.

ADE

The sensitive rotation

vi – IV – I – V

The same four chords starting on the relative minor, which makes it feel wistful rather than triumphant.

F♯mDAE

The '50s progression

I – vi – IV – V

Doo-wop and slow-dance ballads — think of any song with a swung 6/8 feel.

AF♯mDE

The jazz cadence

ii – V – I

The strongest resolution in tonal music, and the backbone of jazz standards.

BmEA

Playing A Major on guitar

How hard this key is has nothing to do with the music and everything to do with where the notes fall on the neck.

Played open, A Major asks for barre chords, which is tiring over a full set and a common place for beginners to stall. Put a capo on fret 2 and finger G shapes instead: the song still sounds in A Major, but your hand is doing the easy version. See the full capo breakdown for A Major

Its relative minor is F♯ Minor — same notes, same key signature, different centre of gravity. The parallel key, A Minor, keeps the same home note but flips the mood; borrowing a chord from it is one of the oldest tricks for making a chorus land.

Move a song into or out of A Major

If A Major does not fit the singer, these pages show exactly which chord becomes which.

Frequently asked questions

What chords are in the key of A Major?
The key of A Major uses A, Bm, C♯m, D, E, F♯m. Those six cover almost every song written in A Major; the seventh, a diminished chord on the leading note, turns up far more rarely.
How many sharps or flats does A Major have?
A Major has 3 sharps in its key signature.
What is the relative minor of A Major?
F♯ Minor — it shares the same notes and the same key signature as A Major, just centred on a different home chord. Songs slip between the two all the time.
What capo position is best for A Major?
A capo on fret 2, fingering G shapes. It sounds exactly like A Major but swaps the barre chords for open ones.

Have a chart in A Major?

Upload the PDF or a photo and move every chord to whatever key you need — the layout stays exactly as printed, capo banner included.