Effect of altitude and temperature on air density
Multiply standard air density (0.075 lbm/ft3) by the factor in body of table to obtain density
Altitude (feet above sea level) |
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-1000 | Sea level | 1000 | 2000 | 3000 | 4000 | 5000 | 6000 | 7000 | 8000 | 9000 | 10,000 | ||
Barometer | in Hg |
31.02 | 29.92 | 28.86 | 27.82 | 26.82 | 25.84 | 24.90 | 23.98 | 23.09 | 22.22 | 21.39 | 20.58 |
in WG |
422.2 | 407.5 | 392.8 | 378.6 | 365.0 | 351.7 | 338.9 | 326.4 | 314.3 | 302.1 | 291.1 | 280.1 | |
Air temp. °F |
-40 | 1.31 | 1.26 | 1.22 | 1.17 | 1.13 | 1.09 | 1.05 | 1.01 | 0.97 | 0.93 | 0.90 | 0.87 |
0 | 1.19 | 1.15 | 1.11 | 1.07 | 1.03 | 0.99 | 0.95 | 0.91 | 0.89 | 0.85 | 0.82 | 0.79 | |
40 | 1.10 | 1.06 | 1.02 | 0.99 | 0.95 | 0.92 | 0.88 | 0.85 | 0.82 | 0.79 | 0.76 | 0.73 | |
70 | 1.04 | 1.00 | 0.96 | 0.93 | 0.89 | 0.86 | 0.83 | 0.80 | 0.77 | 0.74 | 0.71 | 0.69 | |
100 | 0.98 | 0.95 | 0.92 | 0.88 | 0.85 | 0.81 | 0.78 | 0.75 | 0.73 | 0.70 | 0.68 | 0.65 | |
150 | 0.90 | 0.87 | 0.84 | 0.81 | 0.78 | 0.75 | 0.72 | 0.69 | 0.67 | 0.65 | 0.62 | 0.60 | |
200 | 0.83 | 0.80 | 0.77 | 0.74 | 0.71 | 0.69 | 0.66 | 0.64 | 0.62 | 0.60 | 0.57 | 0.55 | |
250 | 0.77 | 0.75 | 0.72 | 0.70 | 0.67 | 0.64 | 0.62 | 0.60 | 0.58 | 0.56 | 0.58 | 0.51 | |
300 | 0.72 | 0.70 | 0.67 | 0.65 | 0.62 | 0.60 | 0.58 | 0.56 | 0.54 | 0.52 | 0.50 | 0.48 | |
350 | 0.68 | 0.65 | 0.62 | 0.60 | 0.58 | 0.56 | 0.54 | 0.52 | 0.51 | 0.49 | 0.47 | 0.45 | |
400 | 0.64 | 0.62 | 0.60 | 0.57 | 0.55 | 0.53 | 0.51 | 0.49 | 0.48 | 0.46 | 0.44 | 0.42 | |
450 | 0.60 | 0.58 | 0.56 | 0.54 | 0.52 | 0.50 | 0.48 | 0.46 | 0.45 | 0.43 | 0.42 | 0.40 | |
500 | 0.57 | 0.55 | 0.53 | 0.51 | 0.49 | 0.47 | 0.45 | 0.44 | 0.43 | 0.41 | 0.39 | 0.38 | |
550 | 0.54 | 0.53 | 0.51 | 0.49 | 0.47 | 0.45 | 0.44 | 0.42 | 0.41 | 0.39 | 0.38 | 0.36 | |
600 | 0.52 | 0.50 | 0.48 | 0.46 | 0.45 | 0.43 | 0.41 | 0.40 | 0.39 | 0.37 | 0.35 | 0.34 | |
700 | 0.47 | 0.46 | 0.44 | 0.43 | 0.41 | 0.39 | 0.38 | 0.37 | 0.35 | 0.34 | 0.33 | 0.32 | |
800 | 0.44 | 0.42 | 0.40 | 0.39 | 0.37 | 0.36 | 0.35 | 0.33 | 0.32 | 0.31 | 0.30 | 0.29 | |
900 | 0.40 | 0.39 | 0.37 | 0.36 | 0.35 | 0.33 | 0.32 | 0.31 | 0.30 | 0.29 | 0.28 | 0.27 | |
1000 | 0.37 | 0.36 | 0.35 | 0.33 | 0.32 | 0.31 | 0.30 | 0.29 | 0.27 | 0.26 | 0.26 | 0.25 |