Chord type

Major 13th Chords on Piano

The major 13th chord is the fullest extension of the major 7th — a seven-note voicing that represents the complete major scale harmonized as a single chord. It creates a luminous, orchestral quality used in jazz, film scoring, and sophisticated pop.

Each key below opens the full reference entry — keyboard diagram, audio, inversions, fingerings, and notation.

Formula: Root – 3rd – 5th – 7th – 9th – 11th – 13th

Scale degrees: 1–3–5–7–9–11–13

Sound: Luminous, orchestral, lush, complete

Symbol: maj13, M13 (Cmaj13)

The complete chord: Cmaj13 contains all seven notes of the C major scale stacked in thirds. In practice, drop the 5th and 11th (which clashes with the 3rd). The 13th adds a sweet, warm colour on top of the already lush maj9 sound. This voicing appears in orchestral jazz and film scoring.

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All 18 spellings, ♯ and ♭ keys listed separately.

Major 13th Chord in All 18 Keys

C Major 13th ChordNotes: C – E – G – B – D – F – A

C♯ Major 13th ChordNotes: C♯ – E♯ – G♯ – B♯ – D♯ – F♯ – A♯

D♭ Major 13th ChordNotes: D♭ – F – A♭ – C – E♭ – G♭ – B♭

D Major 13th ChordNotes: D – F♯ – A – C♯ – E – G – B

D♯ Major 13th ChordNotes: D♯ – F♯♯ – A♯ – C♯♯ – E♯ – G♯ – B♯

E♭ Major 13th ChordNotes: E♭ – G – B♭ – D – F – A♭ – C

E Major 13th ChordNotes: E – G♯ – B – D♯ – F♯ – A – C♯

F Major 13th ChordNotes: F – A – C – E – G – B♭ – D

F♯ Major 13th ChordNotes: F♯ – A♯ – C♯ – E♯ – G♯ – B – D♯

G♭ Major 13th ChordNotes: G♭ – B♭ – D♭ – F – A♭ – C♭ – E♭

G Major 13th ChordNotes: G – B – D – F♯ – A – C – E

G♯ Major 13th ChordNotes: G♯ – B♯ – D♯ – F♯♯ – A♯ – C♯ – E♯

A♭ Major 13th ChordNotes: A♭ – C – E♭ – G – B♭ – D♭ – F

A Major 13th ChordNotes: A – C♯ – E – G♯ – B – D – F♯

A♯ Major 13th ChordNotes: A♯ – C♯♯ – E♯ – G♯♯ – B♯ – D♯ – F♯♯

B♭ Major 13th ChordNotes: B♭ – D – F – A – C – E♭ – G

B Major 13th ChordNotes: B – D♯ – F♯ – A♯ – C♯ – E – G♯

C♭ Major 13th ChordNotes: C♭ – E♭ – G♭ – B♭ – D♭ – F♭ – A♭