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Pressure Altitude Equivalents

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