SI Units           English Units
Ideal-gas properties of air
T h pr u vr so
(K) (kJ/kg) (kJ/kg)  (kJ/kg*K)
200 199.97 0.3363 142.56 1707.0 1.29559
210 209.97 0.3987 149.69 1512.0 1.34444
220 219.97 0.4690 156.82 1346.0 1.39105
230 230.02 0.5477 164.00 1205.0 1.43557
240 240.02 0.6355 171.13 1084.0 1.47824
250 250.05 0.7329 178.28 979.0 1.51917
260 260.09 0.8405 185.45 887.8 1.55848
270 270.11 0.9590 192.60 808.0 1.59634
280 280.13 1.0889 199.75 738.0 1.63279
285 285.14 1.1584 203.33 706.1 1.65055
290 290.16 1.2311 206.91 676.1 1.66802
295 295.17 1.3068 210.49 647.9 1.68515
300 300.19 1.3860 214.07 621.2 1.70203
305 305.22 1.4686 217.67 596.0 1.71865
310 310.24 1.5546 221.25 572.3 1.73498
315 315.27 1.6442 224.85 549.8 1.75106
320 320.29 1.7375 228.42 528.6 1.76690
325 325.31 1.8345 232.02 508.4 1.78249
330 330.34 1.9352 235.61 489.4 1.79783
340 340.42 2.149 242.82 454.1 1.82790
350 350.49 2.379 250.02 422.2 1.85708
360 360.58 2.626 257.24 393.4 1.88543
370 370.67 2.892 264.46 367.2 1.91313
380 380.77 3.176 271.69 343.4 1.94001
390 390.88 3.481 278.93 321.5 1.96633
400 400.98 3.806 286.16 301.6 1.99194
410 411.12 4.153 293.43 283.3 2.01699
420 421.26 4.522 300.69 266.6 2.04142
430 431.43 4.915 307.99 251.1 2.06533
440 441.61 5.332 315.30 236.8 2.08870
450 451.80 5.775 322.62 223.6 2.11161
460 462.02 6.245 329.97 211.4 2.13407
470 472.24 6.742 337.32 200.1 2.15604
480 482.49 7.268 344.70 189.5 2.17760
490 492.74 7.824 352.08 179.7 2.19876
500 503.02 8.411 359.49 170.6 2.21952
510 513.32 9.031 366.92 162.1 2.23993
520 523.63 9.684 374.36 154.1 2.25997
530 533.98 10.37 381.84 146.7 2.27967
540 544.35 11.10 389.34 139.7 2.29906
550 555.74 11.86 396.86 133.1 2.31809
560 565.17 12.66 404.42 127.0 2.33685
570 575.59 13.50 411.97 121.2 2.35531
580 586.04 14.38 419.55 115.7 2.37348
590 596.52 15.31 427.15 110.6 2.39140
600 607.02 16.28 434.78 105.8 2.40902
610 617.53 17.30 442.42 101.2 2.42644
620 628.07 18.36 450.09 96.92 2.44356
630 683.63 19.84 457.78 92.84 2.46048
640 649.22 20.64 465.50 88.99 2.47716
650 659.84 21.86 473.25 85.34 2.49364
660 670.47 23.13 481.01 81.89 2.50985
670 681.14 24.46 488.81 78.61 2.52589
680 691.82 25.85 496.62 75.50 2.54175
690 702.52 27.29 504.45 72.56 2.55731
700 713.27 28.80 512.33 69.76 2.57277
710 724.04 30.38 520.23 67.07 2.58810
720 734.82 32.02 528.14 64.53 2.60319
730 745.62 33.72 536.07 62.13 2.61803
740 756.44 35.50 544.02 59.82 2.63280
750 767.29 37.35 551.99 57.63 2.64737
760 778.18 39.27 560.01 55.54 2.66176
780 800.03 43.35 576.12 51.64 2.69013
800 821.95 47.75 592.30 48.08 2.71787  
820 843.98 52.59 608.59 44.84 2.74504  
840 866.08 57.60 624.95 41.85 2.77170  
860 888.27 63.09 641.40 39.12 2.79783  
880 910.56 68.98 657.95 36.61 2.82344  
900 932.93 75.29 674.58 34.31 2.84856  
920 955.38 82.05 691.28 32.18 2.87324  
940 977.92 89.28 708.08 30.22 2.89748  
960 1000.55 97.00 725.02 28.40 2.92128  
980 1023.25 105.2 741.98 26.73 2.94468  
1000 1046.04 114.0 758.94 25.17 2.96770  
1020 1068.89 123.4 776.10 23.72 2.99034  
1040 1091.85 133.3 793.36 23.29 3.01260  
1060 1114.86 143.9 810.62 21.14 3.03449  
1080 1137.89 155.2 827.88 19.98 3.05608  
1100 1161.07 167.1 845.33 18.896 3.07732  
1120 1184.28 179.7 862.79 17.886 3.09825  
1140 1207.57 193.1 880.35 16.946 3.11883  
1160 1230.92 207.2 897.91 16.064 3.13916  
1180 1254.34 222.2 915.57 15.241 3.15916  
1200 1277.79 238.0 933.33 14.470 3.17888  
1220 1301.31 254.7 951.09 13.747 3.19834  
1240 1324.93 272.3 968.95 13.069 3.21751  
1260 1348.55 290.8 986.90 12.435 3.23638  
1280 1372.24 310.4 1004.76 11.835 3.25510  
1300 1395.97 330.9 1022.82 11.275 3.27345  
1320 1419.76 352.5 1040.88 10.747 3.29160  
1340 1443.60 375.3 1058.94 10.247 3.30959  
1360 1467.49 399.1 1077.10 9.780 3.32724  
1380 1491.44 424.2 1095.26 9.337 3.34474  
1400 1515.42 450.5 1113.52 8.919 3.36200  
1420 1539.44 478.0 1131.77 8.526 3.37901  
1440 1563.51 506.9 1150.13 8.153 3.39586  
1460 1587.63 537.1 1168.49 7.801 3.41247  
1480 1611.79 568.8 1186.95 7.468 3.42892  
1500 1635.97 601.9 1205.41 7.152 3.44516  
1520 1660.23 636.5 1223.87 6.854 3.46120  
1540 1684.51 672.8 1242.43 6.569 3.47712  
1560 1708.82 710.5 1260.99 6.301 3.49276  
1580 1733.17 750.0 1279.65 6.046 3.50829  
1600 1757.57 791.2 1298.30 5.804 3.52364  
1620 1782.00 834.1 1316.96 5.574 3.53879  
1640 1806.46 878.9 1335.72 5.355 3.55381
1660 1830.96 925.6 1354.48 5.147 3.56867
1680 1855.50 974.2 1373.24 4.949 3.58335
1700 1880.1 1025 1392.7 4.761 3.5979
1750 1941.6 1161 1439.8 4.328 3.6336
1800 2003.3 1310 1487.2 3.994 3.6684
1850 2065.3 1475 1534.9 3.601 3.7023
1900 2127.4 1655 1582.6 3.295 3.7354
1950 2189.7 1852 1630.6 3.022 3.7677
2000 2252.1 2068 1678.7 2.776 3.7994
2050 2314.6 2303 1726.8 2.555 3.8303
2100 2377.7 2559 1775.3 2.356 3.8605
2150 2440.3 2837 1823.8 2.175 3.8901
2200 2503.2 3138 1872.4 2.012 3.9191
2250 2566.4 3464 1921.3 1.864 3.9474