A simplified table based upon the United States Standard Atmosphere.
mb | in Hg | Altitude |
813 | 24.0 | 5974 |
820 | 24.5 | 5425 |
847 | 25.0 | 4886 |
864 | 25.5 | 4356 |
880 | 26.0 | 3824 |
897 | 26.5 | 3320 |
914 | 27.0 | 2814 |
931 | 27.5 | 2315 |
948 | 28.0 | 1824 |
965 | 28.5 | 1340 |
982 | 29.0 | 863 |
999 | 29.5 | 392 |
1013 | 29.92 | std sea level |
1016 | 30.5 | -73 |
1033 | 31.0 | -531 |