This is the inverse of the unit type pressure. The SI unit used to define inverse pressure is the Newton per metre squared, N/m2 or Pascal, Pa.

Fcators in boldface are exact.

Convert From To Multiply
/kilopascal /kPa /Pa 0.001
/megapascal /MPa /Pa 10-6
/atmosphere /atm /Pa 101325-1
/bar /bar /Pa 10-5
/millibar /mbar /Pa 0.01
/pound force per square inch /psi /Pa 6894.757293168361-1
%/bar %/bar /Pa 10-7

BS 350:2004 Section 33