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

Chord Type	Symbol	Formula
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