Altitude - Abs Baro Abs Atmospheric Pressure
feet meter inches Hg mm Hg psia kg/cm2 kPa
-5,000 -1,526 35.58 903.7 17.48 1.229 120.5
-4,500 -1,373 35 889 17.19 1.209 118.5
-4,000 -1,220 34.42 874.3 16.9 1.188 116.5
-3,500 -1,068 33.84 859.5 16.62 1.169 114.6
-3,000 -915 33.27 845.1 16.34 1.149 112.7
-2,500 -763 32.7 830.6 16.06 1.129 110.7
-2,000 -610 32.14 816.4 15.78 1.109 108.8
-1,500 -458 31.58 802.1 15.51 1.091 106.9
-1,000 -305 31.02 787.9 15.23 1.071 105
-500 -153 30.47 773.9 14.96 1.052 103.1
0 0 29.92 760 14.696 1.0333 101.33
500 153 29.38 746.3 14.43 1.015 99.49
1,000 305 28.86 733 14.16 0.996 97.63
1,500 458 28.33 719.6 13.91 0.978 95.91
2,000 610 27.82 706.6 13.66 0.96 94.19
2,500 763 27.32 693.9 13.41 0.943 92.46
3,000 915 26.82 681.2 13.17 0.926 90.81
3,500 1,068 26.33 668.8 12.93 0.909 89.15
4,000 1,220 25.84 656.3 12.69 0.892 87.49
4,500 1,373 25.37 644.4 12.46 0.876 85.91
5,000 1,526 24.9 632.5 12.23 0.86 84.33
6,000 1,831 23.99 609.3 11.78 0.828 81.22
7,000 2,136 23.1 586.7 11.34 0.797 78.19
8,000 2,441 22.23 564.6 10.91 0.767 75.22
9,000 2,746 21.39 543.3 10.5 0.738 72.4
10,000 3,050 20.58 522.7 10.1 0.71 69.64
15,000 4,577 16.89 429 8.29 0.583 57.16
20,000 6,102 13.76 349.5 6.76 0.475 46.61
25,000 7,628 11.12 282.4 5.46 0.384 37.65
30,000 9,153 8.903 226.1 4.37 0.307 30.13
35,000 10,679 7.06 179.3 3.47 0.244 23.93
40,000 12,204 5.558 141.2 2.73 0.192 18.82
45,000 13,730 4.375 111.1 2.15 0.151 14.82
50,000 15,255 3.444 87.5 1.69 0.119 11.65
55,000 16,781 2.712 68.9 1.33 0.094 9.17
60,000 18,306 2.135 54.2 1.05 0.074 7.24
70,000 21,357 1.325 33.7 0.65 0.046 4.48
80,000 24,408 0.8273 21 0.41 0.029 2.83
90,000 27,459 0.52 13.2 0.26 0.018 1.79
100,000 30,510 0.329 8.36 0.16 0.011 1.1
