Circle of Fifths

No sharps or flats

C major and A minor

1 sharp

G major and E minor

2 sharps

D major and B minor

3 sharps

A major and F# minor

4 sharps

E major and C# minor

5 sharps or 7 flats

B major or Cb major and G# minor

6 sharps or 6 flats

Gb major or F# major and Eb minor or D# minor

5 flats or 7 sharps

Db major or C# major and Bb minor

4 flats

Ab major and F minor

3 flats

Eb major and C minor

2 flats

Bb major and G minor

1 flat

F major and D minor