Chord Finder

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Major

Notes in this chord

Chord Formula

135

Understanding Chord Types

Triads (3 notes)

  • Major: Happy, bright sound (1-3-5)
  • Minor: Sad, dark sound (1-b3-5)
  • Diminished: Tense, unstable (1-b3-b5)
  • Augmented: Dreamy, floating (1-3-#5)
  • Sus2/Sus4: Open, ambiguous (no 3rd)

Seventh Chords (4 notes)

  • 7 (Dom7): Bluesy, wants to resolve
  • Maj7: Jazzy, dreamy
  • m7: Smooth, mellow
  • Dim7: Very tense, symmetrical
  • m7b5: Jazz staple, "half-dim"

Extended Chords (5+ notes)

  • Add9: Triad + 9th (no 7th)
  • 9: 7th chord + 9th
  • Maj9: Lush, sophisticated
  • m9: Smooth R&B/Neo-soul
  • 6: Major + 6th, nostalgic

Reading Chord Formulas

Scale Degrees

  • 1 = Root note
  • 3 = Major 3rd (4 semitones)
  • 5 = Perfect 5th (7 semitones)
  • 7 = Major 7th (11 semitones)
  • 9 = 9th/2nd (14 semitones)

Alterations

  • b = Flat (lower by 1 semitone)
  • # = Sharp (raise by 1 semitone)
  • b3 = Minor 3rd (3 semitones)
  • b7 = Dominant 7th (10 semitones)
  • #5 = Augmented 5th (8 semitones)