Pressure conversions

Convert between pressure units. Psi, bar, kilopascals, mmHg and atmospheres. Each page gives the exact factor and where it comes from, a full table, a worked example, and the reverse conversion.

psi to bar1 psi = 0.0689476 bar bar to psi1 bar = 14.5038 psi psi to kpa1 psi = 6.8948 kPa kpa to psi1 kPa = 0.145038 psi bar to kpa1 bar = 100 kPa atm to bar1 atm = 1.0133 bar atm to psi1 atm = 14.6959 psi bar to atm1 bar = 0.986923 atm psi to pa1 psi = 6,894.7573 Pa kpa to bar1 kPa = 0.01 bar mmhg to kpa1 mmHg = 0.133322 kPa kpa to mmhg1 kPa = 7.5006 mmHg mmhg to psi1 mmHg = 0.0193368 psi mbar to bar1 mbar = 0.001 bar kpa to atm1 kPa = 0.00986923 atm atm to kpa1 atm = 101.325 kPa mmhg to bar1 mmHg = 0.00133322 bar