Formula 1 – #1/♭2 – 2 – #2/♭3 – 3 – 4 – #4/♭5 – 5 – #5/♭6 – 6 – #6/♭7 – 7
Notes: C – C#/Db – D – D#/Eb – E – F – F#/Gb – G – G#/Ab – A – A#/Bb – B

Natural notes: C, D, E, F, G, A, B
Altered notes: C#/D♭, D#/E♭, F#/G♭, G#/A♭, A#/B♭

‘♭’ = flat natural note half step below
‘#’ = sharp natural note half step above

Natural notes that can written using either ‘#’ or ‘♭’
B can be written as C♭
C can be written as B#
E can be written as F♭
F can be written as E#

Chromatic Scale notes on a Piano

Chromatic Scale notes on a Guitar

Chromatic Scale notes on a Bass

Chromatic Scale notes on a Ukulele

Chromatic Scale notes on a Baritone Ukulele

Chromatic Scale notes on a Banjo

Chromatic Scale notes on a Mandolin

Chromatic Scale notes on a Violin

Chromatic Scale notes on a Viola

Chromatic Scale notes on a Upright Bass