Vacuum Conversion Table
| Torr |
mbar |
"HgV |
"HgA |
psia |
% Vacuum |
| 760 |
1013 |
0 |
29.921 |
14.696 |
0 |
| 750 |
999.67 |
0.394 |
29.527 |
14.503 |
1.32 |
| 700 |
933.03 |
2.362 |
27.559 |
13.536 |
7.89 |
| 600 |
799.74 |
6.299 |
23.622 |
11.602 |
21.05 |
| 500 |
666.45 |
10.236 |
19.685 |
9.668 |
34.21 |
| 400 |
533.18 |
14.173 |
15.748 |
7.737 |
47.37 |
| 380 |
506.5 |
14.961 |
14.961 |
7.348 |
50 |
| 300 |
399.87 |
18.11 |
11.811 |
5.801 |
60.53 |
| 200 |
266.58 |
22.047 |
7.874 |
3.867 |
73.68 |
| 150 |
199.93 |
24.016 |
5.905 |
2.901 |
80.26 |
| 100 |
133.29 |
25.984 |
3.937 |
1.934 |
86.84 |
| 90 |
119.96 |
26.378 |
3.543 |
1.74 |
88.16 |
| 80 |
106.63 |
26.771 |
3.15 |
1.547 |
89.47 |
| 70 |
93.3 |
27.165 |
2.756 |
1.354 |
90.79 |
| 60 |
79.97 |
27.559 |
2.362 |
1.16 |
92.11 |
| 50 |
66.64 |
27.953 |
1.968 |
0.967 |
93.42 |
| 40 |
53.32 |
28.346 |
1.575 |
0.773 |
94.74 |
| 30 |
39.99 |
28.74 |
1.181 |
0.58 |
96.05 |
| 25.4 |
33.86 |
28.921 |
1 |
0.491 |
96.66 |
| 20 |
26.66 |
29.134 |
0.7874 |
0.387 |
97.37 |
| 10 |
13.33 |
29.527 |
0.3937 |
0.19337 |
98.68 |
| 7.6 |
10.13 |
29.622 |
0.2992 |
0.14696 |
99 |
| 1 |
1.3329 |
29.882 |
0.0394 |
0.01934 |
99.87 |
| 0.75 |
0.9997 |
29.891 |
0.0295 |
0.0145 |
99.9 |
| 0.5 |
0.6664 |
29.9013 |
0.01968 |
0.00967 |
99.9342 |
| 0.1 |
0.1333 |
29.9171 |
0.00394 |
0.00193 |
99.9868 |
| 0.01 |
0.0133 |
29.9206 |
0.00039 |
0.00019 |
99.9987 |
| 0 |
0 |
29.921 |
0 |
0 |
100 |
Conversion Formulas
Torr (mmHg)
= 760 - ("HgV x 25.4)
= "HgA x 25.4
= psia x 51.7
= mbar x 0.75
"HgV
= 29.92 - (mmHg / 25.4)
= 29.92 - "HgA
= 29.92 - (psia x 2.036)
= 29.92 - (mbar x 0.0295)
"HgA
= mmHg / 25.4
= 29.92 - "HgV
= psia x 2.036
= mbar x 0.0295
"wc (inches water column) = “Hg x 13.6
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