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)