Chord Calculator: Notes, Formula, and Intervals for Any Chord

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The lowest note of the chord and the note the chord is named after.
The quality and extension of the chord, which determines which intervals appear above the root.
Chord symbol
C

Standard notation name for the chord

NotesC - E - G
Interval formula1 - 3 - 5
Semitones from root0 - 4 - 7
Notes in chord3
Sound characterBright and stable; the most common chord in Western music.
Notes in chord3

C: Major triad

  • The C chord is a Major triad containing 3 notes: C - E - G.
  • Bright and stable; the most common chord in Western music.
  • Triads are the foundation of harmony. Practice each inversion (root position, first, second) to hear how the same notes create different textures.

Next stepTo use this chord in a progression, try it as the I (tonic), IV, or V chord in a key. The chord calculator for chord progressions can generate common progressions around this root.

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