Air Density at Altitudes with Calculator

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About

Enter an altitude in km, to get the specific air density.

This tool uses the below table of known values and then uses linear interpolation to get an accurate result between the known values.

Original values for air density calculations source:
www.engineeringtoolbox.com

 km

Result

Air Density at 0 km, 0 m, is 1.225  kg/m3

100 % Sea Level Density

1 x Sea Level Density

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Table values:

Altitude (km) Air Density (kg/m3) % Sea Level Density
80 1.846E-05 0.002 %
 
70 8.283E-05 0.007 %
 
60 0.0003097 0.025 %
 
50 0.001027 0.084 %
 
40 0.003996 0.3 %
 
30 0.01841 1.5 %
 
25 0.04008 3.3 %
 
20 0.08891 7.3 %
 
15 0.1948 15.9 %
 
10 0.4135 33.8 %
 
9 0.4671 38.1 %
 
8 0.5258 42.9 %
 
7 0.59 48.2 %
 
6 0.6601 53.9 %
 
5 0.7364 60.1 %
 
4 0.8194 66.9 %
 
3 0.9093 74.2 %
 
2 1.007 82.2 %
 
1 1.112 90.8 %
 
0 1.225 100 %
 

Interpolated values:

Altitude (km) Air Density (kg/m3) % Sea Level Density
80 1.846E-05 0.002 %
 
79 2.49E-05 0.002 %
 
78 3.133E-05 0.003 %
 
77 3.777E-05 0.003 %
 
76 4.421E-05 0.004 %
 
75 5.064E-05 0.004 %
 
74 5.708E-05 0.005 %
 
73 6.352E-05 0.005 %
 
72 6.996E-05 0.006 %
 
71 7.639E-05 0.006 %
 
70 8.283E-05 0.007 %
 
69 0.00010552 0.009 %
 
68 0.0001282 0.01 %
 
67 0.00015089 0.012 %
 
66 0.00017358 0.014 %
 
65 0.00019626 0.016 %
 
64 0.00021895 0.018 %
 
63 0.00024164 0.02 %
 
62 0.00026433 0.022 %
 
61 0.00028701 0.023 %
 
60 0.0003097 0.025 %
 
59 0.00038143 0.031 %
 
58 0.00045316 0.037 %
 
57 0.00052489 0.043 %
 
56 0.00059662 0.049 %
 
55 0.00066835 0.055 %
 
54 0.00074008 0.06 %
 
53 0.00081181 0.066 %
 
52 0.00088354 0.072 %
 
51 0.00095527 0.078 %
 
50 0.001027 0.084 %
 
49 0.0013239 0.1 %
 
48 0.0016208 0.1 %
 
47 0.0019177 0.2 %
 
46 0.0022146 0.2 %
 
45 0.0025115 0.2 %
 
44 0.0028084 0.2 %
 
43 0.0031053 0.3 %
 
42 0.0034022 0.3 %
 
41 0.0036991 0.3 %
 
40 0.003996 0.3 %
 
39 0.0054374 0.4 %
 
38 0.0068788 0.6 %
 
37 0.0083202 0.7 %
 
36 0.0097616 0.8 %
 
35 0.011203 0.9 %
 
34 0.0126444 1 %
 
33 0.0140858 1.1 %
 
32 0.0155272 1.3 %
 
31 0.0169686 1.4 %
 
30 0.01841 1.5 %
 
29 0.022744 1.9 %
 
28 0.027078 2.2 %
 
27 0.031412 2.6 %
 
26 0.035746 2.9 %
 
25 0.04008 3.3 %
 
24 0.049846 4.1 %
 
23 0.059612 4.9 %
 
22 0.069378 5.7 %
 
21 0.079144 6.5 %
 
20 0.08891 7.3 %
 
19 0.110088 9 %
 
18 0.131266 10.7 %
 
17 0.152444 12.4 %
 
16 0.173622 14.2 %
 
15 0.1948 15.9 %
 
14 0.23854 19.5 %
 
13 0.28228 23 %
 
12 0.32602 26.6 %
 
11 0.36976 30.2 %
 
10 0.4135 33.8 %
 
9 0.4671 38.1 %
 
8 0.5258 42.9 %
 
7 0.59 48.2 %
 
6 0.6601 53.9 %
 
5 0.7364 60.1 %
 
4 0.8194 66.9 %
 
3 0.9093 74.2 %
 
2 1.007 82.2 %
 
1 1.112 90.8 %
 
0 1.225 100 %