Chords in a key

Here’s a handy table showing the Major and Minor Keys and their chords

Key	I	II	III	IV	V	VI	VII
A	A	Bm	C#m	D	E	F#m	G#dim
B	B	C#m	D#m	E	F#	G#m	A#dim
C	C	Dm	Em	F	G	Am	Bdim
D	D	Em	F#m	G	A	Bm	C#dim
E	E	F#m	G#m	A	B	C#m	D#dim
F	F	Gm	Am	Bb	V	Dm	Edim
G	G	Am	Bm	C	D	Em	F#dim
Am	Am	Bdim	C	Dm	Em	F	G
Bm	Bm	C#dim	D	Em	F#m	G	A
Cm	Cm	Ddim	Eb	Fm	Gm	Ab	Bb
Dm	Dm	Edim	F	Gm	Am	Bb	C
Em	Em	F#dim	G	Am	Bm	C	D
Fm	Fm	Gdim	Ab	Bbm	Cm	Db	Eb
Gm	Gm	Adim	Bb	Cm	Dm	Eb	F