Key Signature Reference

Explore all 30 major and minor key signatures used in Western music — from the simple C major (no accidentals) to the complex enharmonic keys. Every key includes the complete key signature, diatonic chords, relative and parallel key links, and scale cross-references. See also the Circle of Fifths for key relationships, the scale reference, and the chord reference.

Major Keys

C Major no accidentals G Major 1 sharp D Major 2 sharps A Major 3 sharps E Major 4 sharps B Major 5 sharps F# Major 6 sharps C# Major 7 sharps F Major 1 flat Bb Major 2 flats Eb Major 3 flats Ab Major 4 flats Db Major 5 flats Gb Major 6 flats Cb Major 7 flats

Minor Keys

A Minor no accidentals E Minor 1 sharp B Minor 2 sharps F# Minor 3 sharps C# Minor 4 sharps G# Minor 5 sharps D# Minor 6 sharps A# Minor 7 sharps D Minor 1 flat G Minor 2 flats C Minor 3 flats F Minor 4 flats Bb Minor 5 flats Eb Minor 6 flats Ab Minor 7 flats

Related References

Scale Reference Chord Reference Circle of Fifths