Conversion Chart
Unit Conversion:
To convert FROM pressure Value 1 in pressure UNITS 1 TO pressure Value 2 in pressure UNITS 2
Calculate as follows:
Value 2 = Value 1 x Factor 1 ÷ Factor 2
Pressure UNITS FACTOR (hPa) Pressure UNITS FACTOR (hPa)
mbar 1.0 cmH
2
O @ 20°C 0.978903642
bar 1000.0 mH
2
O @ 20°C 97.8903642
Pa (N/m
2
)
0.01
kg/m
2
0.0980665
hPa 1.0
kg/cm
2
980.665
kPa 10.0 torr 1.333223684
MPa 10000.0 atm 1013.25
mmHg@ 0°C 1.333223874 psi 68.94757293
cmHg@ 0°C 13.33223874
lb/ft
2
0.4788025898
mHg@ 0°C 1333.223874 inH
2
O @ 4°C 2.4908891
inHg@ 0°C 33.86388640341 inH
2
O @ 20°C 2.486413
mmH
2
O @ 4°C 0.0980665 inH
2
O @ 60°F 2.487641558
cmH
2
O @ 4°C 0.980665 ftH
2
O @ 4°C 29.8906692
mH
2
O @ 4°C 98.0665 ftH
2
O @ 20°C 29.836983
mmH
2
O @ 20°C 0.097890364 ftH
2
O @ 60°F 29.8516987