SOME COMMON UNITS of PRESSURE
| 1 Pa | Pascal = 1 N/m2 (The SI unit) |
| 1 psi | = 1 lb/in2 (English unit) = 6,891 Pa |
| 1 Bar | = 105 N/m2 = 100 kPa ≈ 1 atm |
| 1 Tor | = 1 mm Hg = 133.3 Pa ≈ 1 kPa |
| 1 atm | = 101.3 kPa = 760 mm Hg = 29.92 in Hg = 14.70 psi |
