| Chord | Formula | Scale Notes |
| A | 1-3-5 | A-C#-E |
| Am | 1-b3-5 | A-C-E |
| A7 | 1-3-5-b7 | A-C#-E-G |
| Am7 | 1-b3-5-b7 | A-C-E-G |
| Amaj7 | 1-3-5-7 | A-C#-E-G# |
| Aaug | 1-3-#5 | A-C#-E# |
| Adim7 | 1-b3-b5-bb7 | A-C-Eb-Gb |
| A7sus | 1-4-5-b7 | A-D-E-G |
| Asus2 | 1-2-5 | A-B-E |
| Asus4 | 1-4-5 | A-D-E |
| A6 | 1-3-5-6 | A-C#-E-F# |
| Am6 | 1-b3-5-6 | A-C-E-F# |
| A6/9 | 1-3-5-6-9 | A-C#-E-F#-B |
| A7b5 | 1-3-b5-b7 | A-C#-Eb-G |
| Am7b5 | 1-b3-b5-b7 | A-C-Eb-G |
| A9 | 1-3-5-b7-9 | A-C#-E-G-B |
| Am9 | 1-b3-5-b7-9 | A-C-E-G-B |