Chord library

A Major Chord

Guitar diagrams, the piano keys to press, the notes in the chord and the chords that sound good with it.

A

A (A major) is built from 3 notes: A, C♯, E.

  • Aroot
  • C♯major third
  • Eperfect fifth

Formula: 1, 3, 5

How to play A on guitar

×EADGBE
Open position
x 0 2 2 2 0
5frEADGBE
Barre on fret 5, root on the 6th string
5 7 7 6 5 5

Read the diagrams with the low E string on the left. × means do not play that string, ○ means play it open.

How to play A on piano

AEC♯

Play A, C♯, E together. With your right hand, use fingers 1, 3 and 5 (thumb on A). Your left hand can play A an octave lower for a fuller sound.

Chords in the key of A major

These seven chords are built from the A major scale (A, B, C♯, D, E, F♯, G♯), so they all sound at home next to A.

IiiiiiIVVvivii°
ABmC♯mDEF♯mG♯dim

Common progressions in A major

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

The relative minor of A major is F♯m. Both keys use the same notes. On the Camelot wheel, A major is 11B.

Related chords

Change this chord into another key with the Chord Transposer, or look up any other chord or scale in the Chord and Scale Finder.