Piano chord family
A major triad contains a root, major third and perfect fifth (1–3–5). In root position, the third and fifth sit four and seven semitones above the root; C major is C–E–G.
Browse all 12 major triads by root. Each card shows the written chord tones, formula and keyboard keys; open a chord for sound and inversions.
Browse by root note
12 chords
C – E – GFormula 1–3–5
D♭ – F – A♭Formula 1–3–5
D – F♯ – AFormula 1–3–5
E♭ – G – B♭Formula 1–3–5
E – G# – BFormula 1–3–5
F – A – CFormula 1–3–5
F♯ – A♯ – C♯Formula 1–3–5
G – B – DFormula 1–3–5
Ab – C – EbFormula 1–3–5
A – C# – EFormula 1–3–5
B♭ – D – FFormula 1–3–5
B – D# – F#Formula 1–3–5
To build a root-position major triad, choose a root, move four semitones up to its major third, then seven semitones above the root to its perfect fifth. Starting on C gives C–E–G. The 1–3–5 formula names chord degrees; the chart above shows the written note spelling for each root.
Choose a root, read the chord tones, then open a detail page to compare root position and inversions. Octave numbers describe register; finger numbers are a separate concept.
These compact references add verified formulas and example voicings without a separate page.
C major sixth
D♭ major sixth
D major sixth
E♭ major sixth
E major sixth
F major sixth
F♯ major sixth
G major sixth
A♭ major sixth
A major sixth
B♭ major sixth
B major sixth