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Pressure Vacuum Measurements Equivalence Table

- 
- 
- 
 -
inches
inches
- 
 -
-
torr/
-
-
Hg
Hg
-
%
Micron*
mmHG*
mbar
psi*
absolute
gauge*
atm
vacuum
760,000
760
1013
14.696 (14.7)
29.92
0
1
0
750,000
750
1000 (1 bar)
14.5
29.5
0.42
0.987
1.3
735,600
735.6
981
14.2
28.9
1.02
0.968
1.9
700,000
700
934
13.5
27.6
2.32
0.921
7.9
600,000
600
800
11.6
23.6
6.32
0.789
21
500,000
500
667
9.7
19.7
10.22
0.658
34
400,000
400
533
7.7
15.7
14.22
0.526
47
380,000
380
507
7.3
15
14.92
0.5
50
300,000
300
400
5.8
11.8.
18.12
0.395
61
- 
- 
- 
 -
inches
inches
- 
 -
-
torr/
-
-
Hg
Hg
-
%
Micron*
mmHG*
mbar
psi*
absolute
gauge*
atm
vacuum
200,000
200
267
3.9
7.85
22.07
0.264
74
100,000
100
133.3
1.93
3.94
25.98
0.132
87
90,000
90
120
1.74
3.54
26.38
0.118
88
80,000
80
106.8
1.55
3.15
26.77
0.105
89.5
70,000
70
93.4
1.35
2.76
27.16
0.0921
90.8
60,000
60
80
1.16
2.36
27.56
0.0789
92.1
51,700
51.7
68.8
1
2.03
27.89
0.068
93
50,000
50
66.7
0.97
1.97
27.95
0.0658
93.5
40,000
40
53.3
0.77
1.57
28.35
0.0526
94.8
30,000
30
40
0.58
1.18
28.74
0.0395
96.1
- 
- 
- 
 -
inches
inches
- 
 -
-
torr/
-
-
Hg
Hg
-
%
Micron*
mmHG*
mbar
psi*
absolute
gauge*
atm
vacuum
25,400
25.4
33.8
0.4912
1
28.92
0.034
96.6
20,000
20
26.7
0.39
0.785
29.14
0.0264
97.4
10,000
10
13.33
0.193
0.394
29.53
0.0132
98.7
7,600
7.6
10.13
0.147
0.299
29.62
0.01
99
1,000
1
1.33
0.01934
0.03937
29.88
0.00132
99.9
750
0.75
1
0.0145
0.0295
29.89
0.000987
99.9
- 
- 
- 
 -
inches
inches
- 
 -
-
torr/
-
-
Hg
Hg
-
%
Micron*
mmHG*
mbar
psi*
absolute
gauge*
atm
vacuum
100
0.1
0.133
0.00193
0.00394
29.916
0.000132
99.99
10
0.01
0.0133
0.000193
0.000394
29.9196
1.32E-05
99.999
(1 x 10-2)
1
0.001
0.00133
0.0000193
3.94E-05
29.91996
1.32E-06
99.9..9
(1x10-3)
0.1
0.0001
0.000133
0.00000193
3.94E-06
29.91999
1.32E-07
* *
(1x10-4)