Height Above Sea Level - vs - Vacuum Pressure
| STANDARD
ATMOSPHERE LAYERS - |
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| FROM
US STANDARD ATMOSPHERE, 1976 |
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| This
is one representation of the data I modified some to view Torr Number |
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| which
are also equal to mm Hg Vacuum |
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| Vacuum Pressure at Height |
Meters Above |
Feet Above |
Temperature |
|
| MilliBar |
In Hg |
Torr |
Sea level |
Sea
Level |
Deg F |
Deg C |
Air Density |
|
0 |
760 |
0 |
0 |
|
|
|
| 1000 |
0.47 |
750.06 |
111 |
364 |
57.70 |
14.28 |
1.212 |
| 980 |
1.06 |
735.06 |
281 |
920 |
|
13.18 |
1.192 |
| 960 |
1.65 |
720.06 |
453 |
1486 |
|
12.06 |
1.173 |
| 940 |
2.24 |
705.06 |
628 |
2062 |
|
10.92 |
1.153 |
| 920 |
2.83 |
690.06 |
807 |
2647 |
|
9.76 |
1.133 |
| 900 |
3.42 |
675.06 |
989 |
3243 |
|
8.57 |
1.113 |
| 880 |
4.01 |
660.06 |
1173 |
3850 |
45.26 |
7.37 |
1.093 |
| 860 |
4.60 |
645.06 |
1362 |
4468 |
|
6.15 |
1.073 |
| 840 |
5.19 |
630.05 |
1554 |
5098 |
|
4.90 |
1.052 |
| 820 |
5.79 |
615.05 |
1749 |
5740 |
|
3.63 |
1.032 |
| 800 |
6.38 |
600.05 |
1949 |
6394 |
|
2.33 |
1.012 |
| 780 |
6.97 |
585.05 |
2153 |
7063 |
|
1.01 |
0.991 |
| 760 |
7.56 |
570.05 |
2361 |
7745 |
31.39 |
-0.34 |
0.971 |
| 740 |
8.15 |
555.05 |
2573 |
8442 |
|
-1.72 |
0.950 |
| 720 |
8.74 |
540.05 |
2790 |
9154 |
|
-3.14 |
0.929 |
| 700 |
9.33 |
525.04 |
3012 |
9882 |
|
-4.58 |
0.908 |
| 680 |
9.92 |
510.04 |
3239 |
10628 |
|
-6.06 |
0.887 |
| 660 |
10.51 |
495.04 |
3472 |
11392 |
18.37 |
-7.57 |
0.866 |
| 640 |
11.10 |
480.04 |
3711 |
12174 |
|
-9.12 |
0.844 |
| 620 |
11.69 |
465.04 |
3955 |
12977 |
|
-10.71 |
0.823 |
| 600 |
12.28 |
450.04 |
4206 |
13801 |
|
-12.34 |
0.801 |
| 550 |
13.76 |
412.54 |
4865 |
15962 |
|
-16.62 |
0.747 |
| 500 |
15.24 |
375.03 |
5574 |
18289 |
-6.21 |
-21.23 |
0.691 |
| 450 |
16.71 |
337.53 |
6344 |
20812 |
|
-26.23 |
0.635 |
| 400 |
18.19 |
300.03 |
7185 |
23574 |
|
-31.71 |
0.577 |
| 350 |
19.66 |
262.52 |
8117 |
26631 |
|
-37.76 |
0.518 |
| 300 |
21.14 |
225.02 |
9164 |
30065 |
|
-44.57 |
0.457 |
| 250 |
22.62 |
187.52 |
10363 |
33999 |
-62.25 |
-52.36 |
0.394 |
| 200 |
24.09 |
150.01 |
11784 |
38662 |
|
-56.50 |
0.322 |
| 150 |
25.57 |
112.51 |
13608 |
44647 |
|
-56.50 |
0.241 |
| 100 |
27.05 |
75.01 |
16180 |
53083 |
|
-56.50 |
0.161 |
| 50 |
28.52 |
37.50 |
20576 |
67507 |
-68.66 |
-55.92 |
0.080 |
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| Altitude
in feet |
Pressure In Hg |
Temp F |
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| 0 |
29.92 |
59.00 |
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| 1,000 |
28.86 |
55.40 |
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| 2,000 |
27.82 |
51.90 |
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| 3,000 |
26.82 |
48.30 |
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| 4,000 |
25.84 |
44.70 |
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| 5,000 |
24.89 |
41.20 |
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| 6,000 |
23.98 |
37.60 |
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| 7,000 |
23.09 |
34.00 |
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| 8,000 |
22.22 |
30.50 |
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| 9,000 |
21.38 |
26.90 |
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| 10,000 |
20.57 |
23.30 |
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| 11,000 |
19.79 |
19.80 |
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| 12,000 |
19.02 |
16.20 |
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| 13,000 |
18.29 |
12.60 |
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| 14,000 |
17.57 |
9.10 |
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| 15,000 |
16.88 |
5.50 |
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| 16,000 |
16.21 |
1.90 |
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| 17,000 |
15.56 |
-1.60 |
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| 18,000 |
14.94 |
-5.20 |
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| 19,000 |
14.33 |
-8.80 |
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| 20,000 |
13.74 |
-12.30 |
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| 25,000 |
11.10 |
-30.15 |
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| 30,000 |
8.89 |
-47.98 |
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| 35,000 |
7.04 |
-68.72 |
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| 40,000 |
5.54 |
-69.70 |
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| 45,000 |
4.35 |
-69.70 |
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| 50,000 |
3.43 |
-69.70 |
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| 55,000 |
2.69 |
-69.70 |
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| 60,000 |
2.12 |
-69.70 |
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| 65,000 |
1.67 |
-69.70 |
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| 70,000 |
1.31 |
-69.70 |
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| 75,000 |
1.03 |
-69.70 |
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| 80,000 |
0.81 |
-69.70 |
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| 85,000 |
0.64 |
-64.80 |
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| 90,000 |
0.50 |
-56.57 |
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| 95,000 |
0.40 |
-48.34 |
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| 100,000 |
0.32 |
-40.11 |
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| Offsite
Links of interest or further study |
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| http://www.usatoday.com/weather/wstdatmo.htm |
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