piano.org theory tools

Circle of Fifths

Click a key to explore its scale, chords, and modes. Drag to spin the wheel.

C♮AmG♯EmD♯♯BmA♯♯♯F♯mE♯♯♯♯C♯mB♯♯♯♯♯G♯mF♯♯♯♯♯♯♯D♯mD♭♭♭♭♭♭B♭mA♭♭♭♭♭FmE♭♭♭♭CmB♭♭♭GmF♭DmCMajor
Mode:

C Major

Key SigNo accidentals
NotesC – D – E – F – G – A – B
Relative MinorAm

Diatonic Chords — C Major

ICiiDiiiEIVFVGviAvii°B

Piano — C Major

Scale Staff — C Major

Tonic Triad (C Major)