Copyright 2010 Baker Hughes Company.
English–PACE Calibration Manual | 19
Appendix
B. Pressure Units and Conversion Factors
To convert from pressure VALUE
1 in pressure UNITS
1, to pressure VALUE
2 in pressure
UNITS
2, calculate as follows:
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
VALUE 2
VALUE 1 FACTOR 1
FACTOR 2
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