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% Vacuum
inHg (rel)
ft H2O (rel)
Torr (abs)
mmHg (abs)
mbar (abs)
psia (abs)
0%
0.00
0.00
760.0
1013.3
14.70
10%
2.99
3.39
684.0
911.7
13.23
20%
5.98
6.78
608.0
810.4
11.76
30%
8.98
10.17
532.0
709.1
10.29
40%
11.97
13.56
456.0
607.8
8.82
50%
14.96
16.95
380.0
506.5
7.35
60%
17.95
20.34
304.0
405.2
5.88
70%
20.94
23.73
228.0
303.9
4.41
80%
23.94
27.12
152.0
202.6
2.94
90%
26.93
30.51
76.0
101.3
1.47
91%
27.23
30.85
68.4
91.2
1.32
92%
27.53
31.19
60.8
81.0
1.18
93%
27.83
31.53
53.2
70.9
1.03
94%
28.13
31.87
45.6
60.8
0.88
95%
28.42
32.21
38.0
50.6
0.73
96%
28.72
32.54
30.4
40.5
0.59
97%
29.02
32.88
22.8
30.4
0.44
98%
29.32
33.22
15.2
20.3
0.29
99%
29.62
33.56
7.6
10.1
0.15
99.1%
29.65
33.59
6.8
9.1
0.13
99.2%
29.68
33.63
6.1
8.1
0.12
99.3%
29.71
33.66
5.3
7.1
0.10
99.4%
29.74
33.70
4.6
6.1
0.09
99.5%
29.77
33.73
3.8
5.1
0.07
99.6%
29.80
33.76
3.0
4.1
0.06
99.7%
29.83
33.80
2.3
3.0
0.04
99.8%
29.86
33.83
1.5
2.0
0.03
99.9%
29.89
33.87
0.8
1.0
0.01
<100%
29.92
33.90
0.0
0.0
0.00

Vacuum Conversion Table

JAVASCRIPT     CALCULATOR
 

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LENGTH to mm to cm to m to ft to in
from mm 1 .1 .001 .0033 .0394
from cm 10 1 .01 .0328 .0394
from m 1000 100 1 3.281 39.37
from ft 304.8 30.48 .304 1 12
from in 25.4 2.54 .0254 .0833 1

Temperature:  F=9/5C+32     C=5/9(F-32)

VOLUME to cc to L to cu in to cu ft to US gal
from cc 1 .001 .061 .0000353 .00026
from L 1000 1 61 .0353 .264
from cu in 16.39 .0164 1 .00058 .0043
from cu ft 28317 28.32 1730 1 7.47
from US gal 3785.4 3.785   .1337 1

PRESSURE to bar to lb/sq in to atm to mm Hg
Torr
to m Hg to in Hg to ft water to m water to in water
from bar 1 14.5 .986 750 .75 29.53 33.46 10.2 401.5
from lb/sq in .068 1 .068 51.7 .051 2.036 2.307 .703 27.68
from atm 1.01 14.7 1 760 .76 29.921 33.9 10.3 406.8
mm Hg/Torr .0013 .019 .001 1 .001 .039 .045 .0135 .535
from m Hg 1.33 19.34 1.32 1000 1 39.37 44.6 13.6 535.25
from in Hg .034 .491 .033 25.4 .0254 1 1.133 .345 13.59
from ft water .029 .433 .0259 22.42 .022 .882 1 .305 12
from m water .098 1.422 .096 73.55 .0735 2.89 3.28 1 39.37
from in water .00249 .0361 .00245 1.868 .00186 .073 .083 .0225 1


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