Vacuum Conversion Table
| %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 |
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Page Last Updated: November 29, 2007
