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Page 162 • Catalog 207
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PRESSURE, VACUUM AND BOILING POINTS
Altitude
Barometer Reading
Atmos. Press.
Boiling Pt. of
Feet
Meters
In. Hg.
Mm. Hg.
psia
Ft. Water
Water °F
-1000
-304.8
31.0
788
15.2
35.2
213.8
-500
-152.4
30.5
775
15.0
34.6
212.9
0
0.0
29.9
760
14.7
33.9
212.0
+500
+152.4
29.4
747
14.4
33.3
211.1
+1000
304.8
28.9
734
14.2
32.8
210.2
1500
457.2
28.3
719
13.9
32.1
209.3
2000
609.6
27.8
706
13.7
31.5
208.4
2500
762.0
27.3
694
13.4
31.0
207.4
3000
914.4
26.8
681
13.2
30.4
206.5
3500
1066.8
26.3
668
12.9
29.8
205.6
4000
1219.2
25.8
655
12.7
29.2
204.7
4500
1371.6
25.4
645
12.4
28.8
203.8
5000
1524.0
24.9
633
12.2
28.2
202.9
5500
1676.4
24.4
620
12.0
27.6
201.9
6000
1828.8
24.0
610
11.8
27.2
201.0
6500
1981.2
23.5
597
11.5
26.7
200.1
7000
2133.6
23.1
587
11.3
26.2
199.2
7500
2286.0
22.7
577
11.1
25.7
198.3
8000
2438.4
22.2
564
10.9
25.2
197.4
8500
2590.8
21.8
554
10.7
24.7
196.5
9000
2743.2
21.4
544
10.5
24.3
195.5
9500
2895.6
21.0
533
10.3
23.8
194.6
10000
3048.0
20.6
523
10.1
23.4
193.7
15000
4572.0
16.9
429
8.3
19.2
184.0
Atmospheric Pressure, Barometer Reading and Boiling Point of Water at Various Altitudes