Chord Formulas

Chord Type

Symbol

Formula

Major

M, Maj

1-3-5

Added Fourth

add4

1-3-4-5

Sixth

6

1-3-5-6

Six Nine

6/9

1-3-5-6-9

Major 7th

Maj7

1-3-5-7

Major Ninth

Maj9

1-3-5-7-9

Major Eleventh

Maj11

1-3-5-7- (9)-11

Major Thirteenth

Maj13

1-3-5-7-(9)-(11)-13

Major seven
sharp eleventh

Maj7#11

1-3-5-7- #11

Major Flat Five

-

1-3-b5

Chord Type

Symbol

Formula

Minor

m

1-b3-5

Minor added fourth

madd4

1-b3-4-5

Minor sixth

m6

1-b3-5-6

Minor seventh

m7

1-b3-5-b7

Minor added ninth

madd9

1-b3-5-9

Minor six add nine

m6/9

1-b3-5-6-9

Minor ninth

m9

1-b3-5-b7-9

Minor eleventh

m11

1-b3-5-b7-(9)-11

Minor thirteenth

m13

1-b3-5-b7-(9)-(11)-13

Minor/Major seventh

m/Maj7

1-b3-5-7

Minor/Major ninth

m/Maj9

1-b3-5-7-9

Minor/Major eleventh

m/Maj11

1-b3-5-7-(9)-11

Minor/Major thirteenth

m/Maj13

1-b3-5-7-(9)-(11)-13

Minor seven flat fifth

m7-5 or ø

1-b3-b5-b7

Chord Type

Symbol

Formula

Seventh

7

1-3-5-b7

Ninth

9

1-3-5-b7-9

Eleventh

11

1-(3)-5-b7-(9)-11

Thirteenth

13

1-3-5-b7-(9)-(11)-13

Seven sharp five

7#5

1-3-#5-b7

Seven flat five

7b5

1-3-b5-b7

Seven flat ninth

7b9

1-3-5-b7-b9

Seven sharp ninth

7#9

1-3-5-b7-#9

Nine sharp five

9#5

1-3-#5-b7-9

Nine flat five

9b5

1-3-b5-b7-9

Seven sharp five sharp nine

7#5#9

1-3-#5-b7-#9

Seven sharp five flat nine

7#5b9

1-3-#5-b7-b9

Seven flat five sharp nine

7b5#9

1-3-b5-b7-#9

Seven flat five flat nine

7b5b9

1-3-b5-b7-b9

Seven sharp eleven

7#11

1-3-5-b7-#11

Diminished

dim (° )

1-b3-b5

Diminished Seventh

dim7 (°7)

1-b3-b5-bb7

Augmented

aug (+)

1-3-#5

Chord Type

Symbol

Formula

Fifth

5

1-5

Flat Fifth

-5

1-b5

Suspended Fourth

sus4

1-4-5

Suspended Second

sus2

1-2(9)-5

Sharp Eleven

#11

1-5-#11