The 15 diatonic scales

The 15 diatonic scales

The 15 diatonic scales are:	C		D	E	F	G	A	B
	C#	Cb	Db	Eb	F#	Gb	Ab	Bb
They are not:			D#	E#	Fb	G#	A#	B#

All three variations of C (C natural, C flat and C sharp) can be written to a diatonic scale. For every other letter, two variations can be written.

Browse the diatonic scales. Some have sharps. Some have flats. None have both sharps and flats.

C D E F G A B C D E F# G A B C# D E F# G# A B C# D# E F G A Bb C D E F G A B C D E F# G A B C# D E F# G# A B C# D# E F# G# A# B

C# D# E# F# G# A# B# C# Db Eb F Gb Ab Bb C Db Eb F G Ab Bb C D Eb F# G# A# B C# D# E# F# Gb Ab Bb Cb Db Eb F Gb Ab Bb C Db Eb F G Ab Bb C D Eb F G A Bb Cb Db Eb Fb Gb Ab Bb Cb

Scales with sharps

There are 7 diatonic scales with sharps.

	D'scale
G:	G	A	B	C	D	E	F#	G
D:	D	E	F#	G	A	B	C#	D
A:	A	B	C#	D	E	F#	G#	A
E:	E	F#	G#	A	B	C#	D#	E
B:	B	C#	D#	E	F#	G#	A#	B
F#:	F#	G#	A#	B	C#	D#	E#	F#
C#:	C#	D#	E#	F#	G#	A#	B#	C#

A unique number of sharps can be counted to each diatonic scale.

D’scale	G	D	A	E	B	F#	C#
#‘s	1	2	3	4	5	6	7

Scales with flats

There are 7 diatonic scales with flats.

	D'scale
F:	F	G	A	Bb	C	D	E	F
Bb:	Bb	C	D	Eb	F	G	A	Bb
Eb:	Eb	F	G	Ab	Bb	C	D	Eb
Ab:	Ab	Bb	C	Db	Eb	F	G	Ab
Db:	Db	Eb	F	Gb	Ab	Bb	C	Db
Gb:	Gb	Ab	Bb	Cb	Db	Eb	F	Gb
Cb:	Cb	Db	Eb	Fb	Gb	Ab	Bb	Cb

A unique number of flats can be counted to each diatonic scale.

D’scale	F	Bb	Eb	Ab	Db	Gb	Cb
b‘s	1	2	3	4	5	6	7