B Suspended 2nd Chord

Chord Tones: B Suspended 2nd Chord

Symbol: sus2 — Formula: 1-2-5

DegreeNoteFrequency (A=440, Equal)
1 B 493.883 Hz
2 C# 277.183 Hz
5 F# 369.994 Hz

Chord Notation

Notation TypeSymbol / Value
Lead Sheet SymbolBsus2
All Common Symbolssus2
Interval Formula1-2-5
Harmonic Categoryopen

Roman numeral (e.g. I, IV, V) and Nashville Number notation are key-dependent. See Keys pages for chord function within specific keys.

Inversions

InversionNotes (low to high)Bass NoteSlash Notation
Root Position B C# F# B B Suspended 2nd Chord
First Inversion C# F# B C# B Suspended 2nd Chord/C#
Second Inversion F# B C# F# B Suspended 2nd Chord/F#

Harmonic Function

The B sus2 chord commonly functions as the leading tone (vii) in C major or dominant (V) in E major. Its harmonic role varies by key — in major keys it provides stable harmonic grounding.

The sus2 chord replaces the third with a major second, creating an open, ambiguous sound with no major or minor quality. It is widely used in rock and pop for its airy, unresolved character.

Common Progressions

The B Suspended 2nd Chord frequently appears in these progression patterns (shown in Roman numeral notation relative to key):

Songs Featuring the Suspended 2nd Chord

Well-known songs where the B Suspended 2nd Chord — or this chord type — plays a prominent role:

Tuning Frequencies Across Temperaments

Frequencies shown at A=440 Hz. View full temperament data for any note.

NoteEqual Temp.PythagoreanJust Intonation
B 493.883 Hz 495.000 Hz 490.548 Hz
C# 277.183 Hz 278.437 Hz 279.067 Hz
F# 369.994 Hz 371.251 Hz 367.911 Hz

Scales Containing the B Suspended 2nd Chord

These scales include the B Suspended 2nd Chord as a diatonic or characteristic chord: