← Chords
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A major chord
The A chord (major) is made of the notes A, C♯, E. Its formula compared with the major scale is 1 3 5.
A
Triads · 3 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | A | Unison |
| 3 | C♯ | Major third |
| 5 | E | Perfect fifth |
Inversions
- AA C♯ ERoot position
- A/C♯C♯ E AFirst inversion
- A/EE A C♯Second inversion
Which keys it belongs to
A is a diatonic chord, that is, it comes from a degree of the scale, in these keys:
Frequently asked questions
- Which notes make up the A chord?
- The notes are A, C♯, E.
- What is the formula of the A chord?
- The formula is 1 3 5: major third, perfect fifth.
From theory to practice
With GEN you generate ever-new exercises on the scales you are studying.