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New Released in April 2026
Chords in the Key of A Major
Chords in A major: A, Bm, C#m, D, E, F#m, G#dim. Build one chord on every note of the scale and you get these seven; any of them fits a song in A major. Here they are with their notes, as seventh chords, and the ones you will use most.
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- MIDI keyboard
- Digital or acoustic piano
- Guitar
- Computer, phone or tablet
The 7 chords of A major
Roman numerals count the notes of the scale: capitals are major chords, small letters minor.
| Degree | Chord | Notes | Seventh chord | Notes |
|---|---|---|---|---|
| I | A | A C# E | Amaj7 | A C# E G# |
| ii | Bm | B D F# | Bm7 | B D F# A |
| iii | C#m | C# E G# | C#m7 | C# E G# B |
| IV | D | D F# A | Dmaj7 | D F# A C# |
| V | E | E G# B | E7 | E G# B D |
| vi | F#m | F# A C# | F#m7 | F# A C# E |
| vii° | G#dim | G# B D | G#m7b5 | G# B D F# |
In A major the major chords are A, D, E, the minor ones Bm, C#m, F#m and the diminished one G#dim. Key signature: 3 sharps. Relative key: F sharp minor, which uses the same notes.
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The three chords you will use most in A major
Learn A, D and E first: they are the home chord and its two strongest neighbours.
Play only the chords of A major
In ChordRunner you can keep every chord inside the key and scale you choose, so you drill exactly these seven. MIDI keyboard or microphone.
Play the demoCommon questions
Which chords belong to A major?
Seven: A, Bm, C#m, D, E, F#m, G#dim. Build a chord on each note of the scale (A B C# D E F# G#) and these are what you get.
Which three chords should I learn first in A major?
A, D and E. They are built on notes 1, 4 and 5 and carry most simple songs in A major.
What is the relative key of A major?
F sharp minor. It uses exactly the same notes and chords, starting from a different home chord.
Is there a game to practise the chords of A major?
Yes. ChordRunner can keep every chord inside A major while you play a USB MIDI keyboard, or a piano or guitar through the microphone.
Your instrument is the controller.
ChordRunner is a browser game that teaches piano and guitar chords: a chord appears on screen, you play it on a real instrument, and your runner jumps. MIDI keyboard or microphone, both work.
Try the demoKeep learning
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