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Key

Key of B major

B major is spelled B, C♯, D♯, E, F♯, G♯, A♯. Signature: 5 sharps (F♯ C♯ G♯ D♯ A♯).

  • 5 sharps
  • Relative A♭
  • Play the scale

B major

Notes, signature and the chords of the key

B major uses 5 sharps (F♯ C♯ G♯ D♯ A♯). Its relative minor is A♭ minor. The scale is B – C♯ – D♯ – E – F♯ – G♯ – A♯.

DegreeChordRoot frequency
IB major493.88 Hz
iiC♯ minor554.37 Hz
iiiD♯ minor622.25 Hz
IVE major659.26 Hz
VF♯ major739.99 Hz
viG♯ minor830.61 Hz
vii°A♯ diminished932.33 Hz

Tonic note page: B4. Matching scale page: B major scale.

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Explore the cluster

B minor The parallel key, same tonic, other mode. Parallel key → B major scale The scale on its own, with playback. Play the scale → B major chord Just the tonic chord, with its notes and frequencies. Tonic chord →

FAQ

B major questions

How many sharps or flats are in B major?

5 sharps (F♯ C♯ G♯ D♯ A♯).

What is the relative minor of B major?

A♭ minor, which shares this signature.

Are these chord qualities for the harmonic minor?

No. Minor keys on this page use the natural minor, so the v chord is minor. Harmonic and melodic minor are a later batch.