Key Signatures
Every major and minor key with its key signature — how many sharps or flats, exactly which ones, and the seven notes of the scale. Ordered around the circle of fifths.
| Major key | Relative minor | Signature | Sharps / flats | Notes |
|---|---|---|---|---|
| C | Am | none | — | C D E F G A B |
| G | Em | 1 sharp | F♯ | G A B C D E F♯ |
| D | Bm | 2 sharps | F♯ C♯ | D E F♯ G A B C♯ |
| A | F♯m | 3 sharps | F♯ C♯ G♯ | A B C♯ D E F♯ G♯ |
| E | C♯m | 4 sharps | F♯ C♯ G♯ D♯ | E F♯ G♯ A B C♯ D♯ |
| B | G♯m | 5 sharps | F♯ C♯ G♯ D♯ A♯ | B C♯ D♯ E F♯ G♯ A♯ |
| F♯ | D♯m | 6 sharps | F♯ C♯ G♯ D♯ A♯ E♯ | F♯ G♯ A♯ B C♯ D♯ F |
| D♭ | B♭m | 5 flats | B♭ E♭ A♭ D♭ G♭ | D♭ E♭ F G♭ A♭ B♭ C |
| A♭ | Fm | 4 flats | B♭ E♭ A♭ D♭ | A♭ B♭ C D♭ E♭ F G |
| E♭ | Cm | 3 flats | B♭ E♭ A♭ | E♭ F G A♭ B♭ C D |
| B♭ | Gm | 2 flats | B♭ E♭ | B♭ C D E♭ F G A |
| F | Dm | 1 flat | B♭ | F G A B♭ C D E |
Sharps are added in the order F–C–G–D–A–E–B; flats in reverse. See it laid out on the interactive circle of fifths. (G♭, C♯ and their enharmonic twins share the same keys.)