Pressure Converting TablesThe tables below can be used to convert between some common pressure units:Multiply by

Convert fromConvert to

Pa (N/m2)baratmospheremm Hgmm H2Om H2Okg/cm2

Pa (N/m2)110-59.87 10-60.00750.110-41.02 10-5

bar10510.9877501.0197 10410.1971.0197

atmosphere1.01 1051.0131759.91033210.3321.03

mm Hg133.31.33 10-31.32 10-3113.30.0131.36 10-3

mm H2O100.0000979.87 10-50.07510.0011.02 10-4

m H2O1040.0979.87 10-275100010.102

kg/cm29.8 1040.980.9773510000101

pound square feet47.84.78 10-44.72 10-40.364.784.78 10-34.88 10-4

pound square inches (psi)6894.760.0690.06851.7689.70.6900.07

inches Hg33770.03380.03325.33337.70.3370.034

inches H2O248.82.49 10-32.46 10-31.8724.880.02490.0025