Altitude And Barometric Pressure - Mercury V6 175 Diagnostic Manual

Glossary, Reference Charts, and Conversions

Altitude and Barometric Pressure

Altitude Above Seal Level
Feet Miles
0 –
500 –
1000 –
1500 –
2000 –
2500 –
3000 –
3500 –
4000 –
4500 –
5000 0.95
6000 1.1
7000 1.3
8000 1.5
9000 1.7
10,000 1.9
15,000 2.8
20,000 3.8
25,000 4.7
30,000 5.7
35,000 6.6
40,000 7.6
45,000 8.5
50,000 9.5
55,000 10.4
60,000 11.4
70,000 13.3
80,000 15.2
90,000 17.1
100,000 18.9
Page 1D-6
Temperature
Meters °F °C
0 59 15
153 57 14
305 55 13
458 54 12
610 52 11
763 50 10
915 48 9
1068 47 8
1220 45 7
1373 43 6
1526 41 5
1831 38 3
2136 34 1
2441 31 –1
2746 27 –3
3050 23 –5
4577 6 –14
6102 –12 –24
7628 –30 –34
9153 –48 –44
10,679 –66 –54
12,204 –70 –57
13,730 –70 –57
15,255 –70 –57
16,781 –70 –57
18,306 –70 –57
21,357 –67 –55
24,408 –62 –52
27,459 –57 –59
30,510 –51 –46
© 2018 Mercury Marine
Barometric Pressure
In. Hg mm Hg
29.92 760
29.38 746.3
28.86 733
28.33 719.6
27.82 706.6
27.32 693.9
26.82 681.2
26.33 668.8
25.84 656.3
25.37 644.4
24.9 632.5
23.99 609.3
23.1 586.7
22.23 564.6
21.39 543.3
20.58 522.7
16.89 429
13.76 349.5
11.12 282.4
8.903 226.1
7.06 179.3
5.558 141.2
4.375 111.1
3.444 87.5
2.712 68.9
2.135 54.2
1.325 33.7
0.8273 21
0.52 13.2
0.329 8.36
Atmospheric Pressure
PSI Kg/sq cm
14.696 1.0333
14.43 1.015
14.16 0.996
13.91 0.978
13.66 0.96
13.41 0.943
13.17 0.926
12.93 0.909
12.69 0.892
12.46 0.876
12.23 0.86
11.78 0.828
11.34 0.797
10.91 0.767
10.5 0.738
10.1 0.71
8.29 0.583
6.76 0.475
5.46 0.384
4.37 0.307
3.47 0.244
2.73 0.192
2.15 0.151
1.69 0.119
1.33 0.0935
1.05 0.0738
0.651 0.651
0.406 0.406
0.255 0.255
0.162 0.162
90-8M0146617 eng JULY 2018
kPa
101.33
99.49
97.63
95.91
94.19
92.46
90.81
89.15
87.49
85.91
84.33
81.22
78.19
75.22
72.4
69.64
57.16
46.61
37.65
30.13
23.93
18.82
14.82
11.65
9.17
7.24
4.49
2.8
1.76
1.12