Chord Finder

Select a root note and chord quality to see all the notes in the chord. Supports 18 chord types.

C

C - E - G

Major

Intervals

C

0 st

E

4 st

G

7 st

How Chords Are Built

Chords are built by stacking intervals on top of a root note. A major chord uses intervals of 4 and 3 semitones (major third + minor third). A minor chord reverses this: 3 and 4 semitones (minor third + major third). Seventh chords add another third on top.

Chord Types Explained