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Pressure Conversions
To
From
mmHg in.Hg in.H
2
O ft.H
2
O atm lb/in.
2
Kg/cm
2
kPa bar
mmHg
1 .03937 .5353 .04461 .00132 .01934 .00136 .1333 .0013
in.Hg
25.40 1 13.60
1.133
.03342
.4912
.03453
3.387
.0339
in.H
2
O
1.868 .07355 1 .08333 .00246 .03612 .00254 .2490 .0025
ft.H2O
22.42 .8826 12
1 .02950 .4334 .03048 2.988
.0299
atm
760 29.92 406.8 33.90 1 14.70 1.033 101.3
1.013
lb/in.
2
51.71 2.036 27.69 2.307 .06805 1 .07031 6.895
.0689
Kg/cm
2
735.6 28.96 393.7 32.81 .9678 14.22 1 98.05 .981
kPa
7.500 .2953 4.016 .3347 .00987 .1451 .0102 1 .01
bar
750 29.53
401.6 33.47 .987 14.51 1.02 100 1
Flow Rate Conversions
To
From
lit/sec gal/min ft
3
/sec ft
3
/min bbl/hr bbl/day
lit/sec
1 15.85 0.03532 2.119 22.66 543.8
gal/min
0.06309 1 0.00223
0.1337
1.429 34.30
ft
3
/sec
28.32 448.8 1
60 641.1
1.54x10
4
ft
3
/min
0.4719 7.481 0.01667 1
10.69 256.5
bbl/hr
0.04415 0.6997 0.00156 0.09359
1
24
bbl/day
0.00184 0.02917 6.50x10
5
0.00390 0.04167
1