下表列出可用于常用真空单位之间转换:
| % 真空度 |
托尔(mm汞) | 微米 | 磅/平方英寸（psia） (lb/in2) |
绝对英寸汞柱 | 绝对汞柱 | 千帕（kPa） |
|---|---|---|---|---|---|---|
|
0.0 |
760.0 |
760,000 |
14.7 |
29.92 |
0.00 |
101.4 |
|
1.3 |
750.0 |
750,000 |
14.5 |
29.5 |
0.42 |
99.9 |
|
1.9 |
735.6 |
735,600 |
14.2 |
28.9 |
1.02 |
97.7 |
|
7.9 |
700.0 |
700,000 |
13.5 |
27.6 |
2.32 |
93.5 |
|
21.0 |
600.0 |
600,000 |
11.6 |
23.6 |
6.32 |
79.9 |
|
34.0 |
500.0 |
500,000 |
9.7 |
19.7 |
10.22 |
66.7 |
|
47.0 |
400.0 |
400,000 |
7.7 |
15.7 |
14.22 |
53.2 |
|
50.0 |
380.0 |
380,000 |
7.3 |
15.0 |
14.92 |
50.8 |
|
61.0 |
300.0 |
300,000 |
5.8 |
11.8 |
18.12 |
40 |
|
74.0 |
200.0 |
200,000 |
3.9 |
7.85 |
22.07 |
26.6 |
|
87.0 |
100.0 |
100,000 |
1.93 |
3.94 |
25.98 |
13.3 |
|
88.0 |
90.0 |
90,000 |
1.74 |
3.54 |
26.38 |
12 |
|
89.5 |
80.0 |
80,000 |
1.55 |
3.15 |
26.77 |
10.7 |
|
90.8 |
70.0 |
70,000 |
1.35 |
2.76 |
27.16 |
9.3 |
|
92.1 |
60.0 |
60,000 |
1.16 |
2.36 |
27.56 |
8 |
|
93.0 |
51.7 |
51,700 |
1.00 |
2.03 |
27.89 |
6.9 |
|
93.5 |
50.0 |
50,000 |
0.97 |
1.97 |
27.95 |
6.7 |
|
94.8 |
40.0 |
40,000 |
0.77 |
1.57 |
28.35 |
5.3 |
|
96.1 |
30.0 |
30,000 |
0.58 |
1.18 |
28.74 |
4 |
|
96.6 |
25.4 |
25,400 |
0.49 |
1.00 |
28.92 |
3.4 |
|
97.4 |
20.0 |
20,000 |
0.39 |
0.785 |
29.14 |
2.7 |
|
98.7 |
10.0 |
10,000 |
0.193 |
0.394 |
29.53 |
1.3 |
|
99.0 |
7.6 |
7,600 |
0.147 |
0.299 |
29.62 |
1.0 |
|
99.87 |
1.0 |
1,000 |
0.01934 |
0.03937 |
29.88 |
0.13 |
|
99.90 |
0.75 |
750 |
0.0145 |
0.0295 |
29.89 |
0.1 |
|
99.99 |
0.10 |
100 |
0.00193 |
0.00394 |
29.916 |
0.013 |
|
99.999 |
0.01 |
10 |
0.000193 |
0.000394 |
29.9196 |
0.0013 |
|
100 |
0.00 |
0 |
0 |
0 |
29.92 |
0 |
1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895x10-3 N/mm2 = 6.895x10-2 bar
|
真空范围 |
压力 (Pa) |
|---|---|
|
低真空 |
1x105 to 3x103 |
|
中真空 |
3x103 to 1x10-1 |
|
高真空 |
1x10-1 to 1x10-7 |
|
超高真空 |
1x10-7 to 1x10-10 |
|
极高真空 |
1x10-10 |
|
绝对真空 |
0 |
.
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