Chord Formulas

Name Example Notation Notes 1. Major C 1, 3, 5 2. Minor Cm 1, b3, 5 3. 7th C7 1, 3, 5, b7 4. Major 7th Cmaj7 1, 3, 5, 7 5. Minor 7th Cm7 1, b3, 5, b7 6. Minor Sharp 7th Cm#7 1, b3, 5, 7 7. Suspended 2nd Csus2 1, 2, 5 8. Suspended 4th Csus4 or Csus 1, 4, 5 9. 7th Suspended 4th C7sus4 or C7sus 1, 4, 5, b7 10. 5th C5 1, 5 11. 6th C6 1, 3, 5, 6 12. Minor 6th Cm6 1, b3, 5, 6 13. Major 6th add 9th C9/6 or C6/9 1, 3, 5, 6, 9 14. Minor 6th add 9th Cm9/6 or Cm6/9 1, b3, 5, 6, 9 15. 9th C9 1, 3, 5, b7, 9 16. Major 9th Cmaj9 1, 3, 5, 7, 9 17. Minor 9th Cm9 1, b3, 5, b7, 9 18. 11th C11 1, 3, 5, b7, 11 19. 13th C13 1, 3, 5, b7, 13 20. 13th above 9th C13/9 1, 3, 5, b7, 9, 13 21. Diminished Cdim or C- 1, b3, b5 22. Diminished 7th Cdim7 1, b3, b5, 6 23. Augmented Caug or C+ 1, 3, #5 24. Major Diminished 5th C-5 1, 3, b5 25. 7th Augmented 5th Caug7 or C7+5 1, 3, #5, b7 26. 7th Diminished 5th C7-5 1, 3, b5, b7 27. Minor 7th Diminished 5th Cm7-5 1, b3, b5, b7 28. 7th Augmented 9th C7(#9) 1, 3, 5, b7, #9 29. 7th Minor 9th C7-9 1, 3, 5, b7, b9 30. 7th Minor 9th Augmented 5th C7-9+5 1, 3, #5, b7, b9 31. 9th Suspended 4th 9sus4 1, 4, b7, 9 32. 9th Augmented 5th Caug9 or C9+5 1, 3, #5, b7, 9 33. 9th Diminished 5th C9-5 1, 3, b5, b7, 9 34. 9th Augmented 11th C9(#11) 1, 3, 5, b7, 9, #11 35. Minor 9th Major 7th Cm9(#7) 1, b3, 5, 7, 9 36. Minor 11th Cm11 1, b3, 5, b7, 11 37. 13th Suspended 4th 13sus4 1, 4, b7, 9, 13 38. 13th Minor 9th C13-9 1, 3, 5, b7, b9, 13 39. 13th Minor 9th Diminished 5th C13-9-5 1, 3, b5, b7, b9, 13 40. Add a Second Note Cadd2 1, 2, 3, 5 41. Add a Fourth Note Cadd2 1, 3, 4, 5