ICAO Standard Atmosphere Table
1976
Standard Atmosphere (0 to 50,000')
Elev Deg C P mb Deg C Elev P mb P mb Elev Deg C
0 15.0 1013   15 0 1013   1010 89 15
500 14.0 995 14 505 995 1000 364 14
1,000 13.0 977 13 1,009 977 990 640 14
1,500 12.0 959 12 1,514 959 980 920 13
2,000 11.0 942 11 2,018 941 970 1,201 13
2,500 10.0 925 10 2,523 924 960 1,485 12
3,000 9.1 908 9 3,028 907 950 1,771 11
3,500 8.1 891 8 3,532 890 940 2,060 11
4,000 7.1 875 7 4,037 874 930 2,351 10
4,500 6.1 859 6 4,542 858 920 2,645 10
5,000 5.1 843   5 5,046 841   910 2,941 9
5,500 4.1 827 4 5,551 826 900 3,241 9
6,000 3.1 812 3 6,055 810 890 3,542 8
6,500 2.1 797 2 6,560 795 880 3,847 7
7,000 1.1 782 1 7,065 780 870 4,154 7
7,500 0.1 767 0 7,569 765 860 4,464 6
8,000 -0.9 752 -1 8,074 750 850 4,777 6
8,500 -1.8 738 -2 8,578 736 840 5,093 5
9,000 -2.8 724 -3 9,083 722 830 5,413 4
9,500 -3.8 710 -4 9,588 708 820 5,735 4
10,000 -4.8 697   -5 10,092 694   810 6,060 3
10,500 -5.8 683 -6 10,597 681 800 6,389 2
11,000 -6.8 670 -7 11,102 667 790 6,721 2
11,500 -7.8 657 -8 11,606 654 780 7,057 1
12,000 -8.8 644 -9 12,111 641 770 7,396 0
12,500 -9.8 632 -10 12,615 629 760 7,739 0
13,000 -10.8 619 -11 13,120 616 750 8,085 -1
13,500 -11.8 607 -12 13,625 604 740 8,435 -2
14,000 -12.7 595 -13 14,129 592 730 8,789 -2
14,500 -13.7 583 -14 14,634 580 720 9,147 -3
15,000 -14.7 572   -15 15,138 568   710 9,509 -4
15,500 -15.7 560 -16 15,643 557 700 9,875 -5
16,000 -16.7 549 -17 16,148 546 690 10,245 -5
16,500 -17.7 538 -18 16,652 534 680 10,620 -6
17,000 -18.7 527 -19 17,157 524 670 10,999 -7
17,500 -19.7 516 -20 17,662 513 660 11,383 -8
18,000 -20.7 506 -21 18,166 502 650 11,771 -8
18,500 -21.7 495 -22 18,671 492 640 12,164 -9
19,000 -22.7 485 -23 19,175 482 630 12,563 -10
19,500 -23.6 475 -24 19,680 472 620 12,966 -11
20,000 -24.6 465   -25 20,185 462   610 13,375 -12
20,500 -25.6 456 -26 20,689 452 600 13,790 -12
21,000 -26.6 446 -27 21,194 442 590 14,210 -13
21,500 -27.6 437 -28 21,698 433 580 14,635 -14
22,000 -28.6 428 -29 22,203 424 570 15,067 -15
22,500 -29.6 419 -30 22,708 415 560 15,505 -16
23,000 -30.6 410 -31 23,212 406 550 15,949 -17
23,500 -31.6 401 -32 23,717 397 540 16,400 -18
24,000 -32.6 392 -33 24,222 389 530 16,858 -18
24,500 -33.6 384 -34 24,726 380 520 17,323 -19
25,000 -34.5 376   -35 25,231 372   510 17,795 -20
25,500 -35.5 368 -36 25,735 364 500 18,274 -21
26,000 -36.5 360 -37 26,240 356 490 18,762 -22
26,500 -37.5 352 -38 26,745 348 480 19,257 -23
27,000 -38.5 344 -39 27,249 340 470 19,761 -24
27,500 -39.5 336 -40 27,754 333 460 20,274 -25
28,000 -40.5 329 -41 28,258 325 450 20,796 -26
28,500 -41.5 322 -42 28,763 318 440 21,327 -27
29,000 -42.5 315 -43 29,268 311 430 21,868 -28
29,500 -43.5 307 -44 29,772 304 420 22,420 -29
30,000 -44.5 301   -45 30,277 297   410 22,982 -31
30,500 -45.4 294 -46 30,782 290 400 23,555 -32
31,000 -46.4 287 -47 31,286 283 390 24,141 -33
31,500 -47.4 281 -48 31,791 277 380 24,738 -34
32,000 -48.4 274 -49 32,295 270 370 25,348 -35
32,500 -49.4 268 -50 32,800 264 360 25,972 -36
33,000 -50.4 262 -51 33,305 258 350 26,610 -38
33,500 -51.4 256 -52 33,809 252 340 27,263 -39
34,000 -52.4 250 -53 34,314 246 330 27,932 -40
34,500 -53.4 244 -54 34,818 240 320 28,617 -42
35,000 -54.4 238   -55 35,323 234   310 29,320 -43
35,500 -55.4 232 -56 35,828 229 300 30,042 -45
36,000 -57.0 227 -56 35,828 229 300 30,042 -45
36,500 -57.0 222 -56 35,828 229 300 30,042 -45
37,000 -57.0 216 -56 35,828 229 300 30,042 -45
37,500 -57.0 211 -56 35,828 229 300 30,042 -45
38,000 -57.0 206 -56 35,828 229 300 30,042 -45
38,500 -57.0 201 -56 35,828 229 300 30,042 -45
39,000 -57.0 196 -56 35,828 229 300 30,042 -45
39,500 -57.0 191 -56 35,828 229 300 30,042 -45
40,000 -57.0 187   -56 35,828 229   300 30,042 -45
40,500 -57.0 182 -56 35,828 229 300 30,042 -45
41,000 -57.0 177 -56 35,828 229 300 30,042 -45
41,500 -57.0 173 -56 35,828 229 300 30,042 -45
42,000 -57.0 169 -56 35,828 229 300 30,042 -45
42,500 -57.0 164 -56 35,828 229 300 30,042 -45
43,000 -57.0 160 -56 35,828 229 300 30,042 -45
43,500 -57.0 156 -56 35,828 229 300 30,042 -45
44,000 -57.0 152 -56 35,828 229 300 30,042 -45
44,500 -57.0 148 -56 35,828 229 300 30,042 -45
45,000 -57.0 145   -56 35,828 229   300 30,042 -45
45,500 -57.0 141 -56 35,828 229 300 30,042 -45
46,000 -57.0 137 -56 35,828 229 300 30,042 -45
46,500 -57.0 134 -56 35,828 229 300 30,042 -45
47,000 -57.0 130 -56 35,828 229 300 30,042 -45
47,500 -57.0 127 -56 35,828 229 300 30,042 -45
48,000 -57.0 123 -56 35,828 229 300 30,042 -45
48,500 -57.0 120 -56 35,828 229 300 30,042 -45
49,000 -57.0 117 -56 35,828 229 300 30,042 -45
49,500 -57.0 114 -56 35,828 229 300 30,042 -45
50,000 -57.0 110   -56 35,828 229   300 30,042 -45