|
|
Pressure
Conversion Tables
Technical
Data Section Reference
|
 PRESSURE
CONVERSION TABLE TO HELP IN APPLYING
OMEGA® PRESSURE TRANSDUCERS
|
|
Multiply
by the conversion factors to obtain the new units
|
Atmos
|
Bars
|
Dynes/cm2
|
In
of Hg (0°C)
|
In
of H2O (4°C)
|
K
grams/
meter2
|
|
Atmos
|
1
|
9.86923x
10-1
|
9.86923
x 10-7
|
3.34207
x 10-2
|
2.458
x 10-3
|
9.678
x 10-5
|
|
Bars
|
1.01325
|
1
|
1
x 10-6
|
3.3864
x 10-2
|
2.491
x 10-3
|
9.8067
x 10-5
|
|
Dynes/cm2
|
1.01325
x 106
|
106
|
1
|
3.386
x 104
|
2.491
x 103
|
98.067
|
|
In
of Hg (0°C)
|
29.9213
|
29.53
|
2.953
x 10-5
|
1
|
7.355
x 10-2
|
2.896
x 10-3
|
|
In
of H2O (4°C)
|
406.8
|
401.48
|
4.0148
x 10-4
|
13.60
|
1
|
3.937
x 10-2
|
|
K
grams/meter2
|
1.033227
x 104
|
1.0197
x 104
|
1.0197
x 10-2
|
345.3
|
25.40
|
1
|
|
Lb/In2
psi
|
14.695595
|
14.504
|
1.4504
x 10-5
|
0.4912
|
3.6126
x 10-2
|
1.423
x 10-3
|
|
Lb/ft2
|
2116.22
|
2088.5
|
2.0885
x 10-3
|
70.726
|
5.202
|
0.2048
|
|
mm
of Hg torr
|
760
|
750.06
|
7.5006
x 10-4
|
25.400
|
1.868
|
7.3558
x 10-2
|
|
Microns
|
760
x 103
|
750.06
x 103
|
0.75006
|
2.54
x 104
|
1.868
x 103
|
73.558
|
|
Pascals
|
1.01325
x 105
|
1
x 105
|
10-1
|
3.386
x 103
|
2.491
x 102
|
9.8067
|
|
PRESSURE
CONVERSION TABLE TO HELP IN APPLYING
OMEGA® PRESSURE TRANSDUCERS
|
|
Multiply
by the conversion factors to obtain the new units
|
Lb/In2
psi
|
Lb/ft2
|
mm
of Hg torr
|
Microns
|
Pascals
|
|
Atmos
|
0.068046
|
4.7254
x 10-4
|
1.316
x 10-3
|
1.316
x 10-6
|
9.869
x 10-6
|
|
Bars
|
6.8948
x 10-2
|
4.788
x 10-4
|
1.333
x 10-3
|
1.333
x 10-6
|
10-5
|
|
Dynes/cm2
|
6.8948
x 104
|
478.8
|
1.333
x 103
|
1.333
|
10
|
|
In
of Hg (0°C)
|
2.036
|
0.014139
|
3.937
x 10-2
|
3.937
x 10-5
|
2.953
x 10-4
|
|
In
of H2O (4°C)
|
27.68
|
0.1922
|
0.5354
|
5.354
x 10-4
|
4.014
x 10-3
|
|
K
grams/meter2
|
7.0306
x102
|
4.882
|
13.59
|
13.59
x 10-3
|
1.019
x 10-1
|
|
Lb/In2
psi
|
1
|
6.9444
x 10-3
|
1.934
x 10-2
|
1.934
x 10-5
|
1.450
x 10-4
|
|
Lb/ft2
|
144.0
|
1
|
2.7844
|
2.7844
x 10-3
|
2.089
x 10-2
|
|
mm
of Hg torr
|
51.715
|
0.35913
|
1
|
10-3
|
7.502
x 10-3
|
|
Microns
|
51.715
x 103
|
359.1
|
1
x 103
|
1
|
7.502
|
|
Pascals
|
6.8948
x 103
|
4.788
x 101
|
1.333
x 102
|
1.333
x 10-1
|
1
|
|
TEMPERATURE
CONVERSION CHART
|
|
°C
|
°F
|
°C
|
°F
|
°C
|
°F
|
|
-200
|
-328
|
0
|
32
|
140
|
284
|
|
-180
|
292
|
5
|
41
|
160
|
320
|
|
-160
|
-256
|
10
|
50
|
180
|
356
|
|
-140
|
-220
|
15
|
59
|
200
|
392
|
|
-120
|
-184
|
20
|
68
|
212
|
414
|
|
-100
|
-148
|
25
|
77
|
220
|
428
|
|
-90
|
-130
|
30
|
86
|
250
|
482
|
|
-80
|
-112
|
40
|
104
|
300
|
572
|
|
-70
|
-94
|
50
|
122
|
350
|
662
|
|
-60
|
-76
|
60
|
140
|
400
|
752
|
|
-50
|
-58
|
70
|
158
|
450
|
842
|
|
-40
|
-40
|
80
|
176
|
500
|
932
|
|
-30
|
-22
|
90
|
194
|
600
|
1112
|
|
-20
|
-4
|
100
|
212
|
700
|
1292
|
|
-10
|
+14
|
120
|
248
|
800
|
1472
|
|
|
|
|
|
900
|
1652
|
|
|
|
|
|
1000
|
1832
|
|
METRIC
|
|
English
|
Metric
|
|
mm
= 0.03937 in.
|
in.=
25.4 mm
|
|
cm
= 0.3937 in.
|
in.
= 2.54 cm
|
|
m
= 39.37 in.
|
in.
= 2.54 x 10-2 m
|
|
TEMPERATURE
|
|
Celcius
|
Fahrenheit
|
|
°C
= (F-32) / 1.8
|
°F
= 1.8C + 32
|
|
PRESSURE
VS. ALTITUDE
|
|
Altitude
(Feet)
|
Pressure
|
|
in
of Hg
|
mm
of Hg
|
psia
|
|
-1,000
|
31.02
|
787.9
|
15.25
|
|
-500
|
30.47
|
773.8
|
14.94
|
|
0
|
29.921
|
760.0
|
14.70
|
|
500
|
29.38
|
746.4
|
14.43
|
|
1,000
|
28.86
|
732.9
|
14.18
|
|
1,500
|
28.33
|
719.7
|
13.90
|
|
2,000
|
27.82
|
706.6
|
13.67
|
|
2,500
|
27.31
|
693.8
|
13.41
|
|
3,000
|
26.81
|
681.1
|
13.19
|
|
3,500
|
26.32
|
668.6
|
12.92
|
|
4,000
|
25.84
|
656.3
|
12.70
|
|
4,500
|
25.36
|
644.2
|
12.45
|
|
5,000
|
24.89
|
632.3
|
12.23
|
|
10,000
|
20.58
|
522.6
|
10.10
|
|
15,000
|
16.88
|
428.8
|
8.28
|
|
20,000
|
13.75
|
349.1
|
6.75
|
|
30,000
|
8.88
|
225.6
|
4.36
|
|
40,000
|
5.54
|
140.7
|
2.72
|
|
50,000
|
3.426
|
87.30
|
1.689
|
|
60,000
|
2.132
|
54.15
|
1.048
|
|
70,000
|
1.322
|
33.59
|
0.649
|
|
80,000
|
0.820
|
20.83
|
0.403
|
|
SI:
The Modernized Metric System
|
|
SI
- the International System of Units - establishes
the pascal (Pa) as the standard unit for Pressure or Stress
in the modernized Metric System adopted by the American
National Standards Institute.
|
|
To
Convert to pascals
|
Multiply
by
|
|
atmosphere
|
1.013
x 105
|
|
bar
|
1.000
x 105
|
|
dyne/centimeter2
|
1.000
x 10-1
|
|
inch
of mercury (0°C)
|
3.386
x 103
|
|
inch
of water (4°C)
|
2.491
x 102
|
|
kilogram/meter2
|
9.807
|
|
pound/inch2
(psi)
|
6.894
x 103
|
|
pound/foot2
|
4.788
x 101
|
|
torr
(mm of mercury 0°C)
|
1.333
x 102
|
|
PRESSURE
CONVERSION CHART
|
|
psi
|
in.
0f H2O
|
in.
of Hg
|
mm
of H2O
|
mm
of Hg
|
bar
|
mbar
|
|
.01
|
.2768
|
.0204
|
7.031
|
.5171
|
.0007
|
.6895
|
|
.02
|
.5536
|
.0407
|
14.06
|
1.034
|
.0014
|
1.379
|
|
.03
|
.8304
|
.0611
|
21.09
|
1.551
|
.0021
|
2.068
|
|
.04
|
1.107
|
.0814
|
28.12
|
2.068
|
.0028
|
2.758
|
|
.05
|
1.384
|
.1018
|
35.15
|
2.586
|
.0034
|
3.447
|
|
.06
|
1.661
|
.1222
|
42.18
|
3.103
|
.0041
|
4.137
|
|
.07
|
1.938
|
.1425
|
49.22
|
3.620
|
.0048
|
4.826
|
|
.08
|
2.214
|
.1629
|
56.25
|
4.137
|
.0055
|
5.516
|
|
.09
|
2.491
|
.1832
|
63.28
|
4.654
|
.0062
|
6.205
|
|
.10
|
2.768
|
.2036
|
70.31
|
5.171
|
.0069
|
6.895
|
|
.20
|
5.536
|
.4072
|
140.6
|
10.34
|
.0138
|
13.79
|
|
.30
|
8.304
|
.6108
|
210.9
|
15.51
|
.0207
|
20.68
|
|
.40
|
11.07
|
.8144
|
281.2
|
20.68
|
.0276
|
27.58
|
|
.50
|
13.84
|
1.018
|
351.5
|
25.86
|
.0345
|
34.47
|
|
.60
|
16.61
|
1.222
|
421.8
|
31.03
|
.0414
|
41.37
|
|
.70
|
19.38
|
1.425
|
492.2
|
36.20
|
.0483
|
48.26
|
|
.80
|
22.14
|
1.629
|
562.5
|
41.37
|
.0552
|
55.16
|
|
.90
|
24.91
|
1.832
|
632.8
|
46.54
|
.0620
|
62.05
|
|
1.0
|
27.68
|
2.036
|
703.1
|
51.71
|
.0690
|
68.95
|
|
2.0
|
55.36
|
4.072
|
1406
|
103.4
|
.1379
|
137.9
|
|
3.0
|
83.04
|
6.108
|
2109
|
155.1
|
.2068
|
206.8
|
|
4.0
|
110.7
|
8.144
|
2812
|
206.8
|
.2758
|
275.8
|
|
5.0
|
138.4
|
10.18
|
3515
|
258.6
|
.3447
|
344.7
|
|
6.0
|
166.1
|
12.22
|
4218
|
310.3
|
.4137
|
413.7
|
|
7.0
|
193.8
|
14.25
|
4922
|
362.0
|
.4826
|
482.6
|
|
8.0
|
221.4
|
16.29
|
5625
|
413.7
|
.5516
|
551.6
|
|
9.0
|
249.1
|
18.32
|
6328
|
465.4
|
.6205
|
620.5
|
|
10.0
|
276.8
|
20.36
|
7031
|
517.1
|
.6895
|
689.5
|
|
14.7
|
406.9
|
29.93
|
10340
|
760.2
|
1.014
|
1014
|
|
15.0
|
415.2
|
30.54
|
10550
|
775.7
|
1.034
|
1034
|
|
20.0
|
553.8
|
40.72
|
14060
|
1034
|
1.379
|
1379
|
|
25.0
|
692.0
|
50.90
|
17580
|
1293
|
1.724
|
1724
|
|
30.0
|
830.4
|
61.08
|
21090
|
1551
|
2.068
|
2068
|
|
40.0
|
1107
|
81.44
|
28120
|
2068
|
2.758
|
2758
|
|
50.0
|
1384
|
101.8
|
35150
|
2586
|
3.447
|
3447
|
|
100.0
|
2768
|
203.6
|
70310
|
5171
|
6.895
|
6895
|
|
150.0
|
4152
|
305.4
|
105500
|
7757
|
10.34
|
10340
|
|
200.0
|
5538
|
407.2
|
140600
|
10340
|
13.79
|
13790
|
|
250.0
|
6920
|
509.0
|
175800
|
12930
|
17.24
|
17240
|
|
PSI
CONVERSION FACTORS
|
|
To
PSI
|
From
PSI
|
|
psi
= in. of H2O x (3.6127 x 10-2)
|
in.
of H2O = psi x 27.68
|
|
psi
= in. of Hg x (0.49118)
|
in.
of Hg = psi x 2.036
|
|
psi
= mm of H2 x (1.4223 x 10-3)
|
mm
of H2O = psi x 703.1
|
|
psi
= mm of Hg x (1.9339 x 10-2)
|
mm
of Hg = psi x 51.71
|
|
psi
= cm of H2O x (14.223 x 6-3)
|
cm
of H2O = psi x 70.3
|
|
psi
= kg/cm2 x (14.223)
|
kg/cm2
= psi x .0703
|
|
psi
= bar x (14.503)
|
bar
= psi x .0689
|
|
psi
= mbar x (1.4503 x 10-2)
|
mbar
= psi x 68.95
|
|
psi
= Pa x (1.4503 x 10-4)
|
Pa
= psi x 6895
|
|
psi
= kPa x (1.4503 x 10-1)
|
kPa
= psi x 6.895
|
|
|
