Chord Formulas

(♭ = flat ♯ = sharp)

Major	I - III - V
Major 6	I - III - V - VI
Major 6 add 9	I - III - V - VI - IX
Major 7	I - III - V - VII
Major 9	I - III - V - VII - IX
Dominant 7	I - III - V - ♭VII
Dominant 7♭10	I - III - V - ♭VII - ♭X
Dominant 7 aug 5	I - III - ♯V - ♭VII
Dominant 7 sus 4	I - IV - V - ♭VII
Dominant 9	I - III - V - ♭VII - IX
Dominant 9 sus 4	I - IV - V - ♭VII - IX
Dominant 9 sus 4	I - IV - V - ♭VII - IX
Dominant 11	I - III - V - ♭VII - IX - XI
Dominant 13	I - III - V - ♭VII - IX - XI - XIII
Augmented	I - III - ♯V
Minor	I - ♭III - V
Minor 6	I - ♭III - V - VI
Minor 7	I - ♭III - V - ♭VII
Minor 7 Flat 5	I - ♭III - ♭V - ♭VII
Diminished	I - ♭III - ♭V
Diminished 7	I - ♭III - ♭V - VI
Suspended 4	I - IV - V
Suspended 2	I - II - V
Add 9	I - III - V - IX

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