1 bar = 100 kPa
1 kPa = 0.145 pounds/square inch (psi2) = 0.0102 kg/square centimetre (kgf/cm2) = 0.0098 atmospheric pressure (atm)
1 lb/inch (psi) = 6.895 kPa (kPa) = 0.0703 kg/cm (kg/cm) = 0.0689 bar (bar) = 0.068 atmospheric pressure (atm)
1 Physical atmospheric pressure (atm) = 101.325 kPa (kPa) = 14.696 pounds/inches (psi) = 1.0333 bar (bar)
1 Engineering Atmospheric Pressure = 98.0665 kPa
1 mm water column (mmH2O) = 9.80665 Pa (Pa) 1 mm mercury column (mmHg) = 133322 Pa (Pa)
1 tor = 133,322 Pa (Pa) 1 D/cm (dyn/cm) = 0.1 Pa