Chord Formulas
| Chord Quality | Abbreviation |
Formula |
| Major |
Maj, Ma, M, no symbol | 1-3-5 |
| Minor |
min, mi, m, - | 1-b3-5 |
| Diminished |
dim, o | 1-b3-b5 |
| Augmented |
aug, + | 1-3-#5 |
| Suspended 2 |
sus2 |
1-2-5 |
| Suspended 4 |
sus4 |
1-4-5 |
| Major 7 |
Maj7, Ma7, M7 | 1-3-5-7 |
| Dominant 7 |
7, Dom7 | 1-3-5-b7 |
| Minor 7 |
min7, mi7, m7, -7 | 1-b3-5-b7 |
| Major 9 |
Maj9, Ma9, M9 | 1-3-5-7-9 |
| Dominant 9 | 9, Dom9 |
1-3-5-b7-9 |
| Minor 9 | min9, mi9, m9 | 1-b3-5-b7-9 |
| Major 11 | Maj11, Ma11, M11 |
1-3-5-7-(9)-11 |
| Dominant 11 | 11, Dom11 |
1-3-5-b7-(9)-11 |
| Minor 11 | min11, mi11, m11 | 1-b3-5-b7-(9)-11 |
| Major 7#11 | Maj7#11, Ma7#11, M7#11 | 1-3-5-7-(9)-#11 |
| Dominant 7#11 |
7#11, Dom7#11 |
1-3-5-b7-(9)-#11 |
| Major 13 | Maj13, Ma13, M13 |
1-3-5-7-(9)-(11)-13 |
| Dominant 13 | 13, Dom13 | 1-3-5-b7-(9)-(11)-13 |
| Minor 13 | min13, mi13, m13 | 1-b3-5-b7-(9)-(11)-13 |
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