A Major Scale
The A Major scale contains the notes A, B, C♯, D, E, F♯, G♯. Its key signature has 3♯.
A Major scale on the piano
Key facts
Scale degrees of A Major
| Degree | Note | Name | Interval |
|---|---|---|---|
| 1 | A | Tonic | P1 |
| 2 | B | Supertonic | M2 |
| 3 | C♯ | Mediant | M3 |
| 4 | D | Subdominant | P4 |
| 5 | E | Dominant | P5 |
| 6 | F♯ | Submediant | M6 |
| 7 | G♯ | Leading Tone | M7 |
Chords in the key of A Major
These are the seven diatonic triads built on each degree of the A Major scale. Click a chord to see its notes, fingering and inversions.
Common chord progressions in A Major
| Roman numerals | Chords |
|---|---|
| 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 |
Explore other scales
Frequently asked questions
What notes are in the A Major scale?
The A Major scale consists of the notes A, B, C♯, D, E, F♯, G♯.
How many sharps or flats does A Major have?
The key signature of A Major has 3♯.
What is the relative key of A Major?
The relative key of A Major is F♯ Minor — it shares the same key signature.
What chords are in the key of A Major?
The diatonic chords in the key of A Major are A, Bm, C♯m, D, E, F♯m, G♯dim.
