Atmosphere (unit) - Wikipedia, the free encyclopedia
A pressure of 1 atm can also be stated as: ≡1.01325 bar ≡ 101325 pascal (Pa) or 101.325 kilopascal (kPa) ≡ 1013.25 millibars (mbar, also mb) ≡ 760 torr [B] ≈ 760.001 mm-Hg, 0 C, subject to revision as more precise measurements of mercury’s density become ...