Circle of Fifths Explorer

See the key signatures, relative minors, and sharp/flat counts for every key.

Circle of fifths

C / a

no accidentals

G / e

1 ♯

D / b

2 ♯

A / f#

3 ♯

E / c#

4 ♯

B / g#

5 ♯

F# / d#

6 ♯

C# / a#

7 ♯

F / d

1 ♭

Bb / g

2 ♭

Eb / c

3 ♭

Ab / f

4 ♭

Output

C major / a minor — 0♯ 0♭
G major / e minor — 1♯ 0♭
D major / b minor — 2♯ 0♭
A major / f# minor — 3♯ 0♭
E major / c# minor — 4♯ 0♭
B major / g# minor — 5♯ 0♭
F# major / d# minor — 6♯ 0♭
C# major / a# minor — 7♯ 0♭
F major / d minor — 0♯ 1♭
Bb major / g minor — 0♯ 2♭
Eb major / c minor — 0♯ 3♭
Ab major / f minor — 0♯ 4♭

About this tool

Pick a key and walk the circle of fifths to see sharps/flats, the relative minor, and the IV/V/vi neighbors. The standard r/musictheory and r/piano teaching reference.

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