B (disambiguation)

B is the second letter of the English alphabet.

B or b may also refer to:

Boron (B), an element
Bit (bit or b), a unit of information
Byte (B), eight bits
Bel (B), ten decibels
Bar (unit), a unit of pressure
Barn (unit), a unit of area equal to the quectoare
B, a musical note

This disambiguation page lists articles associated with the title B.
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