steamunits

Pressure Units

pascal
(Pa)
bar
(bar) technical atmosphere
(at)
atmosphere
(atm)
torr
(Torr) pound-force per
square inch
(psi)
1 Pa ≡ 1 N/m2
10−5 1.0197×10−5 9.8692×10−6 7.5006×10−3 145.04×10−6
1 bar 100,000 ≡ 106 dyn/cm2
1.0197 0.98692 750.06 14.504
1 at 98,066.5 0.980665 ≡ 1 kgf/cm2
0.96784 735.56 14.223
1 atm 101,325 1.01325 1.0332 ≡ 1 atm
760 14.696
1 torr 133.322 1.3332×10−3 1.3595×10−3 1.3158×10−3 ≡ 1 Torr; = 1 mmHg
19.337×10−3
1 psi 6,894.76 68.948×10−3 70.307×10−3 68.046×10−3 51.715 ≡ 1 lbf/in2