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Chords in the key of B♯ Major

The seven chords of B♯ Major and the 7th chord on each, with the key signature and the keys closest to it.

B♯ Major is a theoretical key. Scores almost always write it as C Major.Open C MajorLooking for B Major?

Short answer

The key of B♯ Major contains seven diatonic chords: B♯, C𝄪m, D𝄪m, E♯, F𝄪, G𝄪m, A𝄪°. They're built on each degree of the B♯ Major scale.

Tonic
B♯
Key signature
12 sharps
Scale
B♯ C𝄪 D𝄪 E♯ F𝄪 G𝄪 A𝄪
Relative key
A Natural Minor
Dominant
F𝄪
Parallel key
B♯ Natural Minor

Diatonic chords in B♯ Major

Build a triad on each note of the B♯ Major scale and you get these seven chords. Add one more scale note on top and you get the 7th chord beside it.

DegreeTriad7th chordHear
IB♯B♯maj7
iiC𝄪mC𝄪m7
iiiD𝄪mD𝄪m7
IVE♯E♯maj7
VF𝄪F𝄪7
viG𝄪mG𝄪m7
vii°A𝄪°A𝄪m7♭5

Key signature of B♯ Major

Written out, B♯ Major would need 12 sharps, which is only possible with double sharps. That's why published music uses C Major instead.

Practise reading key signatures

B♯ Major on the piano

Show:
B♯ Major on the pianoB♯C𝄪D𝄪E♯F𝄪G𝄪A𝄪B♯C𝄪D𝄪E♯F𝄪G𝄪A𝄪B♯ Major - B♯ · C𝄪 · D𝄪 · E♯ · F𝄪 · G𝄪 · A𝄪

Common progressions in B♯ Major

The most popular chord progressions written in this key. Click any progression to hear it.

I–V–vi–IV in B♯ major
B♯F𝄪G𝄪mE♯
I–IV–V in B♯ major
B♯E♯F𝄪
ii–V–I in B♯ major
C𝄪m7F𝄪7B♯maj7
I–vi–IV–V in B♯ major
B♯G𝄪mE♯F𝄪
I–IV–V–I in B♯ major
B♯E♯F𝄪B♯
I7–IV7–I7–V7 in B♯ major
B♯7E♯7B♯7F𝄪7
vi–IV–I–V in B♯ major
G𝄪mE♯B♯F𝄪
I7–I7–I7–I7–IV7–IV7–I7–I7–V7–IV7–I7–V7 in B♯ major
B♯7B♯7B♯7B♯7E♯7E♯7B♯7B♯7F𝄪7E♯7B♯7F𝄪7

Related keys

The keys a song in B♯ Major most often borrows chords from or moves to.

CGDAEBC♭F♯G♭D♭C♯A♭E♭B♭FAmEmBmF♯mC♯mG♯mA♭mD♯mE♭mB♭mA♯mFmCmGmDmMajorMinor
B♯ Major is lit, with its relative key and the keys a fifth either side.

Questions people ask

What chords are in the key of B♯ Major?
The key of B♯ Major contains seven diatonic chords: B♯, C𝄪m, D𝄪m, E♯, F𝄪, G𝄪m, A𝄪°. They're built on each degree of the B♯ Major scale.
How many sharps or flats are in B♯ Major?
Written out, B♯ Major would need 12 sharps, which is only possible with double sharps. That's why published music uses C Major instead.
What are the 7th chords in B♯ Major?
Adding a seventh to each chord of B♯ Major gives B♯maj7, C𝄪m7, D𝄪m7, E♯maj7, F𝄪7, G𝄪m7, A𝄪m7♭5.
What is the relative key of B♯ Major?
It's A Natural Minor. It uses exactly the same notes and key signature as B♯ Major, but its music centres on A.
What are the most common progressions in B♯ Major?
Pop and rock songs in B♯ Major usually rely on I-V-vi-IV, I-IV-V and ii-V-I. Each appears in our progression library with audio.
Why do these chords sound good together?
Every chord in B♯ Major is built using only notes from the B♯ Major scale, so they share the same tonal center and naturally resolve to the I chord.
How do I transpose a song to B♯ Major?
Use our free Chord Transposer, paste the original chords and shift them to B♯ Major. The tool keeps the relationships between chords intact.

Related chords, scales and keys